Tailwind CSS v3 color

Tailwind indigo-200 #C7D2FE

Tailwind CSS v3's indigo-200 is #C7D2FE. It is a pale muted blue in the blue family. In OKLCH it sits at lightness 0.870, chroma 0.062 and hue 274.0°. The nearest CSS named color is lightsteelblue (#B0C4DE), ΔE2000 7.9 away.

Relative luminance
0.6539
OKLCH L · C · h
0.870 · 0.062 · 274.0
Best text
Black 14.07:1
Hue family
Blue
Inspect this color Check contrast

#C7D2FE color codes

HEX
#C7D2FE
RGB
rgb(199, 210, 254)
HSL
hsl(228, 96%, 89%)
OKLCH
oklch(0.870 0.062 274.0)
OKLab
oklab(0.870 0.004 -0.062)
CIELAB (D65)
L* 84.68, a* 5.37, b* -22.72
XYZ (D65)
X 64.48, Y 65.39, Z 102.97
CMYK (naive)
cmyk(22%, 17%, 0%, 0%)

CIELAB and XYZ use the D65 white point; CSS lab() uses D50, so paste the OKLCH or HEX value into stylesheets. CMYK here is a plain formula with no press profile.

Legibility

Contrast: is #C7D2FE accessible?

Black text on it reaches 14.07:1, passing AAA. White text fails at 1.49:1.

WCAG 2 gives the same ratio whichever color is the text; APCA does not, so its Lc changes sign and size with polarity.

Open the Contrast System

  • Black text on it

    14.07:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +80

  • White text on it

    1.49:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −26

    Text is here, unreadable at 1.49:1

  • As text on black

    14.07:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −80

  • As text on white

    1.49:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +23

    Text is here, unreadable at 1.49:1

Nearest versions that pass 4.5:1

  • For text on white

    #6A739B 4.62:1

    Darkening its OKLCH lightness from 0.87 to 0.56 reaches 4.62:1 on white, keeping the hue.

    Compare both in the Contrast System

  • For text on black

    #C7D2FE 14.07:1

    It already reaches 14.07:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #C7D2FE live

Move lightness, chroma and hue in OKLCH, or drag on the map. The map is every lightness and chroma at the current hue: sRGB inside the solid area, Display P3 out to the dashed line.

The studio needs JavaScript.

Scale

Shades and tints of #C7D2FE

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #C7D2FE sits at step 200.

  1. 50#F2F5FF
    White
    1.08
    Black
    19.28
  2. 100#E5EAFF
    White
    1.19
    Black
    17.54
  3. 200This color#C7D2FE
    White
    1.49
    Black
    14.07
  4. 300#B2BCE4
    White
    1.87
    Black
    11.20
  5. 400#959FC8
    White
    2.60
    Black
    8.07
  6. 500#7A84AC
    White
    3.66
    Black
    5.72
  7. 600#636C93
    White
    5.12
    Black
    4.09
  8. 700#4D567A
    White
    7.17
    Black
    2.92
  9. 800#363D5E
    White
    10.57
    Black
    1.98
  10. 900#212643
    White
    14.75
    Black
    1.42
  11. 950#10142B
    White
    18.15
    Black
    1.15

Under each step, white and black text on it; a bold figure passes 4.5:1.

Tailwind CSS v3 indigo scale

The real Tailwind palette, for comparison with the computed ramp above.

  1. 50#EEF2FF
    White
    1.11
    Black
    18.78
  2. 100#E0E7FF
    White
    1.23
    Black
    17.04
  3. 200This color#C7D2FE
    White
    1.49
    Black
    14.07
  4. 300#A5B4FC
    White
    1.99
    Black
    10.53
  5. 400#818CF8
    White
    2.98
    Black
    7.04
  6. 500#6366F1
    White
    4.46
    Black
    4.70
  7. 600#4F46E5
    White
    6.28
    Black
    3.33
  8. 700#4338CA
    White
    7.90
    Black
    2.65
  9. 800#3730A3
    White
    9.93
    Black
    2.11
  10. 900#312E81
    White
    11.42
    Black
    1.83
  11. 950#1E1B4B
    White
    15.98
    Black
    1.31

Gamut

How vivid #C7D2FE can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.064; #C7D2FE uses 98% of it. Display P3, which many recent phones and laptops show, reaches 0.070 there: 10% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.062
sRGB edge
0.064
Display P3 edge
0.070
Rec. 2020 edge
0.071
Dominant wavelength
472 nm
Excitation purity
18%
Chromaticity
x 0.2769, y 0.2808
  • This color#C7D2FE
  • Most vivid in sRGB#C7D2FF
  • Most vivid in Display P3oklch(0.870 0.070 274.0)

On a screen without Display P3 the last tile shows the sRGB edge instead.

Use the wider color where screens show it
.accent {
  color: #c7d2fe;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.783 0.8205 1); }
}

Mixing

Mixing #C7D2FE

Each row is the same mix worked out in a different space, with the halfway color at its end. sRGB, which older CSS gradients use, can sag gray or dark in the middle; OKLab keeps the lightness steps even; OKLCH holds chroma and hue as it goes.

White #FFFFFF

  • sRGB50%#E3E9FF
  • OKLab50%#E3E9FF
  • OKLCH50%#E3E9FF

Black #000000

  • sRGB50%#64697F
  • OKLab50%#4C5063
  • OKLCH50%#4C5063

Its complement #E1D4A6

  • sRGB50%#D4D3D2
  • OKLab50%#D4D4D4
  • OKLCH50%#A6E2D9
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #c7d2fe, white);
color: color-mix(in oklch, #c7d2fe 50%, white);

In use

#C7D2FE in an interface

A button, a link, a heading, a focused field, an icon and a chart line in this color, on a light page and a dark one. Each check is a WCAG 2 contrast minimum: 1.4.3 for text, 1.4.11 for the rest.

Light page

  • Button labelText, 4.5:114.07:1 Passes
  • Link and body-size textText, 4.5:11.49:1 Fails
  • Large headingLarge text, 3:11.49:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.49:1 Fails

For text on this page, the nearest shade that passes is #6A739B 4.62:1

Dark page

  • Button labelText, 4.5:114.07:1 Passes
  • Link and body-size textText, 4.5:112.55:1 Passes
  • Large headingLarge text, 3:112.55:1 Passes
  • Icons, borders and focus ringsNon-text, 3:112.55:1 Passes

Color vision

How #C7D2FE looks with color blindness

Tritanopia changes it most, ΔE2000 16.8; deuteranopia changes it least, 1.4.

Simulated with Machado et al. (2009) at full severity, in linear light.

Simulate a whole page What each type sees

  • Protanopia

    No working red (long-wavelength) cones

    #C6D6FF ΔE2000 2.0

    Very close

    Reads as pale muted blue

  • Deuteranopia

    No working green (medium-wavelength) cones

    #C2D1FD ΔE2000 1.4

    Very close

    Reads as pale muted blue

  • Tritanopia

    No working blue (short-wavelength) cones

    #BADAE1 ΔE2000 16.8

    Distinct

    Reads as pale grayish cyan

  • Achromatopsia

    No cone color vision; lightness only

    #D3D3D3 ΔE2000 15.6

    Distinct

    Reads as light gray

Pairing check

Checked against its complement, #E1D4A6. Their lightness contrast is only 1.00:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#C7D2FE · #E1D4A634.2Stays distinct
Protanopia#C6D6FF · #DED2A333.5Stays distinct
Deuteranopia#C2D1FD · #E1D6A734.5Stays distinct
Tritanopia#BADAE1 · #EACDC827.6Stays distinct
Achromatopsia#D3D3D3 · #D4D4D40.2Easily confused

Harmony

Color harmonies for #C7D2FE

Its complement is #E1D4A6, a pale muted amber, on the warm side of the wheel.

Hue rotations in OKLCH, mapped into sRGB by trimming chroma so hue and lightness stay put.

Open the Harmony Studio
  • Base#C7D2FE
  • Complement#E1D4A6

Complementary

Open in Harmony Studio
  • −30°#B2DAFB
  • Base#C7D2FE
  • +30°#DDCBF6

Analogous

Open in Harmony Studio
  • Base#C7D2FE
  • +120°#FAC6BA
  • +240°#B5E1C2

Triadic

Open in Harmony Studio
  • Base#C7D2FE
  • +150°#F2CCAA
  • +210°#CBDCAF

Split-complementary

Open in Harmony Studio

Code

Design tokens

Ready-to-paste tokens in six formats. Rename them to fit your system.

CSS custom property

:root {
  --color-indigo-200: #c7d2fe;
}

Tailwind config

// tailwind.config.js — already built in as indigo-200;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        indigo: { 200: '#c7d2fe' },
      },
    },
  },
};

Tailwind v4 theme

/* app.css — Tailwind CSS v4 */
@import "tailwindcss";

@theme {
  /* v4 has its own indigo-200; this pins the v3 value. */
  --color-indigo-200: oklch(0.870 0.062 274.0);
}

Design token (W3C DTCG)

{
  "color": {
    "indigo-200": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.7804, 0.8235, 0.9961],
        "hex": "#c7d2fe"
      },
      "$description": "Tailwind CSS v3 indigo-200"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let indigo200 = Color(.sRGB, red: 0.780, green: 0.824, blue: 0.996, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Indigo200 = Color(0xFFC7D2FE)
}

Matches

The nearest match in each system

The closest CSS name, Tailwind shade, RAL Classic paint and Crayola crayon by ΔE2000; under 2 is hard to tell apart side by side. RAL and Crayola values approximate physical colors.

Neighbors

The eight nearest colors on this site by ΔE2000, closest first. Under 2 is hard to tell apart side by side.

Tools

Open #C7D2FE in the tools

Each opens over this page. More colors live in the Color Library, and every color page is listed on the hub.