Tailwind CSS v3 color

Tailwind blue-100 #DBEAFE

Tailwind CSS v3's blue-100 is #DBEAFE. It is a pale grayish blue in the neutral family. In OKLCH it sits at lightness 0.932, chroma 0.032 and hue 255.6°. The nearest CSS named color is aliceblue (#F0F8FF), ΔE2000 6.1 away.

Relative luminance
0.8106
OKLCH L · C · h
0.932 · 0.032 · 255.6
Best text
Black 17.21:1
Hue family
Neutral

#DBEAFE color codes

HEX
#DBEAFE
RGB
rgb(219, 234, 254)
HSL
hsl(214, 95%, 93%)
OKLCH
oklch(0.932 0.032 255.6)
OKLab
oklab(0.932 -0.008 -0.031)
CIELAB (D65)
L* 92.16, a* -1.06, b* -11.34
XYZ (D65)
X 76.52, Y 81.06, Z 105.36
CMYK (naive)
cmyk(14%, 8%, 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 #DBEAFE accessible?

Black text on it reaches 17.21:1, passing AAA. White text fails at 1.22:1.

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

    17.21:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +92
  • White text on it

    1.22:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −12

    Text is here, unreadable at 1.22:1

  • As text on black

    17.21:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −93
  • As text on white

    1.22:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +10

    Text is here, unreadable at 1.22:1

Nearest versions that pass 4.5:1

  • For text on white

    #6A7889 4.50:1

    Darkening its OKLCH lightness from 0.93 to 0.57 reaches 4.50:1 on white, keeping the hue.

  • For text on black

    #DBEAFE 17.21:1

    It already reaches 17.21:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #DBEAFE 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 #DBEAFE

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #DBEAFE sits at step 100.

  1. 50#EFF6FF
    White
    1.08
    Black
    19.29
  2. 100This color#DBEAFE
    White
    1.22
    Black
    17.21
  3. 200#CCD9EA
    White
    1.43
    Black
    14.68
  4. 300#B1BFD1
    White
    1.86
    Black
    11.24
  5. 400#95A3B5
    White
    2.56
    Black
    8.18
  6. 500#7A8799
    White
    3.65
    Black
    5.75
  7. 600#637081
    White
    5.04
    Black
    4.16
  8. 700#4D5969
    White
    7.12
    Black
    2.94
  9. 800#36414F
    White
    10.36
    Black
    2.02
  10. 900#202A36
    White
    14.52
    Black
    1.44
  11. 950#0F1721
    White
    18.02
    Black
    1.16

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

Tailwind CSS v3 blue scale

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

  1. 50#EFF6FF
    White
    1.08
    Black
    19.29
  2. 100This color#DBEAFE
    White
    1.22
    Black
    17.21
  3. 200#BFDBFE
    White
    1.42
    Black
    14.77
  4. 300#93C5FD
    White
    1.80
    Black
    11.64
  5. 400#60A5FA
    White
    2.54
    Black
    8.25
  6. 500#3B82F6
    White
    3.67
    Black
    5.70
  7. 600#2563EB
    White
    5.16
    Black
    4.06
  8. 700#1D4ED8
    White
    6.70
    Black
    3.13
  9. 800#1E40AF
    White
    8.72
    Black
    2.40
  10. 900#1E3A8A
    White
    10.35
    Black
    2.02
  11. 950#172554
    White
    14.69
    Black
    1.42

Gamut

How vivid #DBEAFE can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.033; #DBEAFE uses 95% of it. Display P3, which many recent phones and laptops show, reaches 0.036 there: 10% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.032
sRGB edge
0.033
Display P3 edge
0.036
Rec. 2020 edge
0.037
Dominant wavelength
479 nm
Excitation purity
10%
Chromaticity
x 0.2910, y 0.3083
  • This color#DBEAFE
  • Most vivid in sRGB#DAEAFF
  • Most vivid in Display P3oklch(0.932 0.036 255.6)

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

Use the wider color where screens show it
.accent {
  color: #dbeafe;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.8633 0.9163 1); }
}

Mixing

Mixing #DBEAFE

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%#EDF5FF
  • OKLab50%#EDF5FF
  • OKLCH50%#EDF5FF

Black #000000

  • sRGB50%#6E757F
  • OKLab50%#545A63
  • OKLCH50%#545A63

Its complement #F5E6D2

  • sRGB50%#E8E8E8
  • OKLab50%#E8E8E8
  • OKLCH50%#F9E1ED
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #dbeafe, white);
color: color-mix(in oklch, #dbeafe 50%, white);

In use

#DBEAFE 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, 4.5:117.21:1 Passes
  • Link and body-size textText, 4.5:11.22:1 Fails
  • Large headingLarge text, 3:11.22:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.22:1 Fails

For text on this page, the nearest shade that passes is #6A7889 4.50:1

Dark page

  • Button labelText, 4.5:117.21:1 Passes
  • Link and body-size textText, 4.5:115.35:1 Passes
  • Large headingLarge text, 3:115.35:1 Passes
  • Icons, borders and focus ringsNon-text, 3:115.35:1 Passes

Color vision

How #DBEAFE looks with color blindness

Tritanopia changes it most, ΔE2000 10.2; protanopia changes it least, 3.6.

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

    #E3EAFF ΔE2000 3.6

    Close match

    Reads as pale grayish blue

  • Deuteranopia

    No working green (medium-wavelength) cones

    #E0E7FE ΔE2000 4.1

    Close match

    Reads as pale grayish blue

  • Tritanopia

    No working blue (short-wavelength) cones

    #D3EEF0 ΔE2000 10.2

    Distinct

    Reads as pale grayish cyan

  • Achromatopsia

    No cone color vision; lightness only

    #E8E8E8 ΔE2000 9.1

    Noticeable

    Reads as off-white

Pairing check

A near-neutral has no complementary hue to pair with, so tell it apart from neighboring grays by lightness contrast alone.

Harmony

Color harmonies for #DBEAFE

Its complement is #F5E6D2, a pale grayish amber.

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

Open the Harmony Studio
  • Base#DBEAFE
  • Complement#F5E6D2

Complementary

Open in Harmony Studio
  • −30°#D3EDF9
  • Base#DBEAFE
  • +30°#E6E6FD
  • Base#DBEAFE
  • +120°#FDE1E1
  • +240°#DFEED9
  • Base#DBEAFE
  • +150°#FCE3D7
  • +210°#EBEAD2

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-blue-100: #dbeafe;
}

Tailwind config

// tailwind.config.js — already built in as blue-100;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        blue: { 100: '#dbeafe' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own blue-100; this pins the v3 value. */
  --color-blue-100: oklch(0.932 0.032 255.6);
}

Design token (W3C DTCG)

{
  "color": {
    "blue-100": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.8588, 0.9176, 0.9961],
        "hex": "#dbeafe"
      },
      "$description": "Tailwind CSS v3 blue-100"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let blue100 = Color(.sRGB, red: 0.859, green: 0.918, blue: 0.996, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Blue100 = Color(0xFFDBEAFE)
}

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.

Tools

Open #DBEAFE in the tools

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