#252F78#252F78

#252F78 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.4% C 0.124 H 272.2°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#252F78
RGB	rgb(37, 47, 120)
HSL	hsl(233, 53%, 31%)
HSV	hsv(233, 69%, 47%)
CMYK	cmyk(69.2%, 60.8%, 0%, 52.9%)
CIE-LAB	lab(22.94, 21.60, -43.09)
CIE-LCH	lch(22.94, 48.20, 296.62°)
OKLab	oklab(34.41% 0.0048 -0.1241)
OKLCH	oklch(34.41% 0.124 272.2)
XYZ	xyz(5.1685, 3.7819, 18.2233)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F78 #786E25

analogous

#255878 #252F78 #442578

triadic

#252F78 #78252F #2F7825

tetradic

#252F78 #782558 #786E25 #257844

square

#252F78 #782558 #786E25 #257844

split-complementary

#252F78 #784425 #587825

monochromatic

#080A1A #171D49 #252F78 #3341A7 #4F5DC9

Accessibility & contrast

On white

11.96

#252F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#252F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F78

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F78	#FFFFFF	#000000	##FFFFFF
##252F78	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7A

Deuteranopia (green-blind)

#003377

Tritanopia (blue-blind)

#00414E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #252f78;
/* rgb */ color: rgb(37, 47, 120);
/* oklch */ color: oklch(34.4% 0.124 272.2);

Tailwind

colors: {
  custom: {
    50: '#6b67a0',
    500: '#252f78',
    950: '#000000',
  },
}

SCSS

$custom: #252f78;
$custom-light: #6b67a0;
$custom-dark: #000000;

JSON

{
  "hex": "#252f78",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 120
  },
  "hsl": {
    "h": 232.771,
    "s": 52.866,
    "l": 30.784
  },
  "oklch": {
    "l": 0.34412,
    "c": 0.12416,
    "h": 272.2
  },
  "luminance": 0.03782
}

Semantic roles & 50–950 ramp

primary

#252F78

secondary

#AA9F4E

accent

#CB4CDC

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #252F78

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

Preview Lab → · Contrast checker → · Palette generator →