Tailwind CSS v3 color

Tailwind cyan-700 #0E7490

Tailwind CSS v3's cyan-700 is #0E7490. It is a muted blue in the cyan family. In OKLCH it sits at lightness 0.520, chroma 0.094 and hue 223.1°. The nearest CSS named color is steelblue (#4682B4), ΔE2000 11.6 away.

Relative luminance
0.1460
OKLCH L · C · h
0.520 · 0.094 · 223.1
Best text
White 5.35:1
Hue family
Cyan

#0E7490 color codes

HEX
#0E7490
RGB
rgb(14, 116, 144)
HSL
hsl(193, 82%, 31%)
OKLCH
oklch(0.520 0.094 223.1)
OKLab
oklab(0.520 -0.068 -0.064)
CIELAB (D65)
L* 45.08, a* -16.26, b* -22.77
XYZ (D65)
X 11.46, Y 14.60, Z 28.59
CMYK (naive)
cmyk(90%, 19%, 0%, 44%)

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 #0E7490 accessible?

White text on it reaches 5.35:1, passing AA. Black text manages only 3.91:1, enough for large text only.

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

    3.91:1

    • AA fails
    • AA large passes
    • AAA fails
    • APCA Lc +27
  • White text on it

    5.35:1

    • AA passes
    • AA large passes
    • AAA fails
    • APCA Lc −81
  • As text on black

    3.91:1

    • AA fails
    • AA large passes
    • AAA fails
    • APCA Lc −25
  • As text on white

    5.35:1

    • AA passes
    • AA large passes
    • AAA fails
    • APCA Lc +76

Nearest versions that pass 4.5:1

  • For text on white

    #0E7490 5.35:1

    It already reaches 5.35:1 on white, so no change is needed.

  • For text on black

    #217E9B 4.52:1

    Lightening its OKLCH lightness from 0.52 to 0.55 reaches 4.52:1 on black, keeping the hue.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #0E7490 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 #0E7490

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #0E7490 sits at step 600.

  1. 50#E8F8FF
    White
    1.08
    Black
    19.30
  2. 100#CFF2FF
    White
    1.17
    Black
    17.79
  3. 200#9BE4FF
    White
    1.40
    Black
    14.93
  4. 300#7BCBE7
    White
    1.81
    Black
    11.53
  5. 400#5AAECB
    White
    2.51
    Black
    8.35
  6. 500#3A92AF
    White
    3.55
    Black
    5.91
  7. 600This color#0E7490
    White
    5.35
    Black
    3.91
  8. 700#00627B
    White
    6.92
    Black
    3.03
  9. 800#00475A
    White
    10.24
    Black
    2.04
  10. 900#002E3C
    White
    14.42
    Black
    1.45
  11. 950#001A22
    White
    17.93
    Black
    1.17

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

Tailwind CSS v3 cyan scale

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

  1. 50#ECFEFF
    White
    1.04
    Black
    20.18
  2. 100#CFFAFE
    White
    1.11
    Black
    18.75
  3. 200#A5F3FC
    White
    1.24
    Black
    16.82
  4. 300#67E8F9
    White
    1.44
    Black
    14.48
  5. 400#22D3EE
    White
    1.80
    Black
    11.62
  6. 500#06B6D4
    White
    2.42
    Black
    8.64
  7. 600#0891B2
    White
    3.68
    Black
    5.70
  8. 700This color#0E7490
    White
    5.35
    Black
    3.91
  9. 800#155E75
    White
    7.26
    Black
    2.88
  10. 900#164E63
    White
    9.11
    Black
    2.30
  11. 950#083344
    White
    13.39
    Black
    1.56

Gamut

How vivid #0E7490 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.097; #0E7490 uses 96% of it. Display P3, which many recent phones and laptops show, reaches 0.128 there: 32% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.094
sRGB edge
0.097
Display P3 edge
0.128
Rec. 2020 edge
0.222
Dominant wavelength
484 nm
Excitation purity
43%
Chromaticity
x 0.2097, y 0.2671
  • This color#0E7490
  • Most vivid in sRGB#007491
  • Most vivid in Display P3oklch(0.520 0.128 223.1)

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

Use the wider color where screens show it
.accent {
  color: #0e7490;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0 0.4568 0.6049); }
}

Mixing

Mixing #0E7490

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%#87BAC8
  • OKLab50%#91B8C7
  • OKLCH50%#91B8C7

Black #000000

  • sRGB50%#073A48
  • OKLab50%#022934
  • OKLCH50%#022934

Its complement #95563B

  • sRGB50%#526566
  • OKLab50%#686969
  • OKLCH50%#53743A
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #0e7490, white);
color: color-mix(in oklch, #0e7490 50%, white);

In use

#0E7490 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, 4.5:15.35:1 Passes
  • Link and body-size textText, 4.5:15.35:1 Passes
  • Large headingLarge text, 3:15.35:1 Passes
  • Icons, borders and focus ringsNon-text, 3:15.35:1 Passes

Dark page

  • Button labelText, 4.5:15.35:1 Passes
  • Link and body-size textText, 4.5:13.49:1 Fails
  • Large headingLarge text, 3:13.49:1 Passes
  • Icons, borders and focus ringsNon-text, 3:13.49:1 Passes

For text on this page, the nearest shade that passes is #2D88A4 4.61:1

Color vision

How #0E7490 looks with color blindness

Achromatopsia changes it most, ΔE2000 18.8; tritanopia changes it least, 12.3.

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

    #647191 ΔE2000 16.9

    Distinct

    Reads as muted blue

  • Deuteranopia

    No working green (medium-wavelength) cones

    #546690 ΔE2000 16.3

    Distinct

    Reads as muted blue

  • Tritanopia

    No working blue (short-wavelength) cones

    #007D7D ΔE2000 12.3

    Distinct

    Reads as muted teal

  • Achromatopsia

    No cone color vision; lightness only

    #6B6B6B ΔE2000 18.8

    Distinct

    Reads as gray

Pairing check

Checked against its complement, #95563B. Their lightness contrast is only 1.06:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#0E7490 · #95563B42.9Stays distinct
Protanopia#647191 · #675E3931.6Stays distinct
Deuteranopia#546690 · #766C3A37.3Stays distinct
Tritanopia#007D7D · #A24B4F48.0Stays distinct
Achromatopsia#6B6B6B · #6666661.9Easily confused

Harmony

Color harmonies for #0E7490

Its complement is #95563B, a muted brown, 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#0E7490
  • Complement#95563B

Complementary

Open in Harmony Studio
  • −30°#007977
  • Base#0E7490
  • +30°#406B9D
  • Base#0E7490
  • +120°#8E5277
  • +240°#736B21
  • Base#0E7490
  • +150°#975159
  • +210°#895F22

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-cyan-700: #0e7490;
}

Tailwind config

// tailwind.config.js — already built in as cyan-700;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        cyan: { 700: '#0e7490' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own cyan-700; this pins the v3 value. */
  --color-cyan-700: oklch(0.520 0.094 223.1);
}

Design token (W3C DTCG)

{
  "color": {
    "cyan-700": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.0549, 0.4549, 0.5647],
        "hex": "#0e7490"
      },
      "$description": "Tailwind CSS v3 cyan-700"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let cyan700 = Color(.sRGB, red: 0.055, green: 0.455, blue: 0.565, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Cyan700 = Color(0xFF0E7490)
}

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 #0E7490 in the tools

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