#252F79#252F79

#252F79 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.5% C 0.126 H 272.2°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#252F79
RGB	rgb(37, 47, 121)
HSL	hsl(233, 53%, 31%)
HSV	hsv(233, 69%, 47%)
CMYK	cmyk(69.4%, 61.2%, 0%, 52.5%)
CIE-LAB	lab(23.02, 21.98, -43.59)
CIE-LCH	lch(23.02, 48.81, 296.76°)
OKLab	oklab(34.5% 0.0048 -0.1255)
OKLCH	oklch(34.5% 0.126 272.2)
XYZ	xyz(5.2295, 3.8063, 18.5446)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F79 #796F25

analogous

#255979 #252F79 #452579

triadic

#252F79 #79252F #2F7925

tetradic

#252F79 #792559 #796F25 #257945

square

#252F79 #792559 #796F25 #257945

split-complementary

#252F79 #794525 #597925

monochromatic

#080B1B #171D4A #252F79 #3341A8 #4F5EC9

Accessibility & contrast

On white

11.92

#252F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#252F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F79

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F79	#FFFFFF	#000000	##FFFFFF
##252F79	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7B

Deuteranopia (green-blind)

#003378

Tritanopia (blue-blind)

#00414F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #252f79;
/* rgb */ color: rgb(37, 47, 121);
/* oklch */ color: oklch(34.5% 0.126 272.2);

Tailwind

colors: {
  custom: {
    50: '#6b67a0',
    500: '#252f79',
    950: '#000000',
  },
}

SCSS

$custom: #252f79;
$custom-light: #6b67a0;
$custom-dark: #000000;

JSON

{
  "hex": "#252f79",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 121
  },
  "hsl": {
    "h": 232.857,
    "s": 53.165,
    "l": 30.98
  },
  "oklch": {
    "l": 0.345,
    "c": 0.12563,
    "h": 272.2
  },
  "luminance": 0.03807
}

Semantic roles & 50–950 ramp

primary

#252F79

secondary

#ABA04E

accent

#CB4BDD

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #252F79

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

Preview Lab → · Contrast checker → · Palette generator →