#253F77#253F77

#253F77 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.9% C 0.101 H 263.6°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#253F77
RGB	rgb(37, 63, 119)
HSL	hsl(221, 53%, 31%)
HSV	hsv(221, 69%, 47%)
CMYK	cmyk(68.9%, 47.1%, 0%, 53.3%)
CIE-LAB	lab(27.52, 10.05, -35.06)
CIE-LCH	lch(27.52, 36.47, 286.00°)
OKLab	oklab(37.85% -0.0113 -0.1002)
OKLCH	oklch(37.85% 0.101 263.6)
XYZ	xyz(5.8691, 5.2797, 18.1590)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F77 #775D25

analogous

#256877 #253F77 #342577

triadic

#253F77 #77253F #3F7725

tetradic

#253F77 #772568 #775D25 #257734

square

#253F77 #772568 #775D25 #257734

split-complementary

#253F77 #773425 #687725

monochromatic

#080E1A #162648 #253F77 #3458A6 #4E75C8

Accessibility & contrast

On white

10.21

#253F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#253F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F77

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F77	#FFFFFF	#000000	##FFFFFF
##253F77	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244579

Deuteranopia (green-blind)

#153D76

Tritanopia (blue-blind)

#004C55

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253f77;
/* rgb */ color: rgb(37, 63, 119);
/* oklch */ color: oklch(37.9% 0.101 263.6);

Tailwind

colors: {
  custom: {
    50: '#69739f',
    500: '#253f77',
    950: '#000000',
  },
}

SCSS

$custom: #253f77;
$custom-light: #69739f;
$custom-dark: #000000;

JSON

{
  "hex": "#253f77",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 119
  },
  "hsl": {
    "h": 220.976,
    "s": 52.564,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37853,
    "c": 0.10085,
    "h": 263.6
  },
  "luminance": 0.0528
}

Semantic roles & 50–950 ramp

primary

#253F77

secondary

#A98D4E

accent

#AE4CDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #253F77

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

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