#253C4E#253C4E

#253C4E is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.5% C 0.043 H 243.0°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#253C4E
RGB	rgb(37, 60, 78)
HSL	hsl(206, 36%, 23%)
HSV	hsv(206, 53%, 31%)
CMYK	cmyk(52.6%, 23.1%, 0%, 69.4%)
CIE-LAB	lab(24.24, -3.18, -13.73)
CIE-LCH	lch(24.24, 14.10, 256.95°)
OKLab	oklab(34.55% -0.0194 -0.0382)
OKLCH	oklch(34.55% 0.043 243)
XYZ	xyz(3.7535, 4.1748, 7.8143)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C4E #4E3725

analogous

#254E4B #253C4E #25284E

triadic

#253C4E #4E253C #3C4E25

tetradic

#253C4E #4B254E #4E3725 #284E25

square

#253C4E #4B254E #4E3725 #284E25

split-complementary

#253C4E #4E2528 #4E4B25

monochromatic

#0A1015 #111C24 #253C4E #395C78 #4C7CA1

Accessibility & contrast

On white

11.44

#253C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#253C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C4E

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C4E	#FFFFFF	#000000	##FFFFFF
##253C4E	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343C4F

Deuteranopia (green-blind)

#2F384E

Tritanopia (blue-blind)

#124042

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #253c4e;
/* rgb */ color: rgb(37, 60, 78);
/* oklch */ color: oklch(34.5% 0.043 243.0);

Tailwind

colors: {
  custom: {
    50: '#62717f',
    500: '#253c4e',
    950: '#000000',
  },
}

SCSS

$custom: #253c4e;
$custom-light: #62717f;
$custom-dark: #000000;

JSON

{
  "hex": "#253c4e",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 206.341,
    "s": 35.652,
    "l": 22.549
  },
  "oklch": {
    "l": 0.34547,
    "c": 0.04287,
    "h": 243
  },
  "luminance": 0.04175
}

Semantic roles & 50–950 ramp

primary

#253C4E

secondary

#81644E

accent

#8D5CCC

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #253C4E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →