#252F80#252F80

#252F80 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.136 H 272.0°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#252F80
RGB	rgb(37, 47, 128)
HSL	hsl(233, 55%, 32%)
HSV	hsv(233, 71%, 50%)
CMYK	cmyk(71.1%, 63.3%, 0%, 49.8%)
CIE-LAB	lab(23.62, 24.64, -47.04)
CIE-LCH	lch(23.62, 53.10, 297.65°)
OKLab	oklab(35.13% 0.0047 -0.1357)
OKLCH	oklch(35.13% 0.136 272)
XYZ	xyz(5.6744, 3.9843, 20.8879)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F80 #807625

analogous

#255C80 #252F80 #492580

triadic

#252F80 #80252F #2F8025

tetradic

#252F80 #80255C #807625 #258049

square

#252F80 #80255C #807625 #258049

split-complementary

#252F80 #804925 #5C8025

monochromatic

#0A0C21 #171E51 #252F80 #3340AF #5260CD

Accessibility & contrast

On white

11.69

#252F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#252F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F80

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F80	#FFFFFF	#000000	##FFFFFF
##252F80	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C83

Deuteranopia (green-blind)

#00347E

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #252f80;
/* rgb */ color: rgb(37, 47, 128);
/* oklch */ color: oklch(35.1% 0.136 272.0);

Tailwind

colors: {
  custom: {
    50: '#6c67a6',
    500: '#252f80',
    950: '#000000',
  },
}

SCSS

$custom: #252f80;
$custom-light: #6c67a6;
$custom-dark: #000000;

JSON

{
  "hex": "#252f80",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 128
  },
  "hsl": {
    "h": 233.407,
    "s": 55.152,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35131,
    "c": 0.13576,
    "h": 272
  },
  "luminance": 0.03985
}

Semantic roles & 50–950 ramp

primary

#252F80

secondary

#B1A750

accent

#CE49DE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #252F80

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

Preview Lab → · Contrast checker → · Palette generator →