#253B76#253B76

#253B76 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.9% C 0.105 H 266.0°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#253B76
RGB	rgb(37, 59, 118)
HSL	hsl(224, 52%, 30%)
HSV	hsv(224, 69%, 46%)
CMYK	cmyk(68.6%, 50%, 0%, 53.7%)
CIE-LAB	lab(26.24, 12.44, -36.47)
CIE-LCH	lch(26.24, 38.54, 288.83°)
OKLab	oklab(36.85% -0.0072 -0.1044)
OKLCH	oklch(36.85% 0.105 266)
XYZ	xyz(5.5958, 4.8287, 17.7732)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B76 #766025

analogous

#256376 #253B76 #382576

triadic

#253B76 #76253B #3B7625

tetradic

#253B76 #762563 #766025 #257638

square

#253B76 #762563 #766025 #257638

split-complementary

#253B76 #763825 #637625

monochromatic

#080C19 #162447 #253B76 #3452A5 #4E6FC7

Accessibility & contrast

On white

10.68

#253B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#253B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B76

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B76	#FFFFFF	#000000	##FFFFFF
##253B76	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4278

Deuteranopia (green-blind)

#0A3B75

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253b76;
/* rgb */ color: rgb(37, 59, 118);
/* oklch */ color: oklch(36.9% 0.105 266.0);

Tailwind

colors: {
  custom: {
    50: '#69709e',
    500: '#253b76',
    950: '#000000',
  },
}

SCSS

$custom: #253b76;
$custom-light: #69709e;
$custom-dark: #000000;

JSON

{
  "hex": "#253b76",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 118
  },
  "hsl": {
    "h": 223.704,
    "s": 52.258,
    "l": 30.392
  },
  "oklch": {
    "l": 0.36854,
    "c": 0.10469,
    "h": 266
  },
  "luminance": 0.04829
}

Semantic roles & 50–950 ramp

primary

#253B76

secondary

#A9904E

accent

#B54CDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #253B76

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

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