#252F7E#252F7E

#252F7E is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.9% C 0.133 H 272.0°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#252F7E
RGB	rgb(37, 47, 126)
HSL	hsl(233, 55%, 32%)
HSV	hsv(233, 71%, 49%)
CMYK	cmyk(70.6%, 62.7%, 0%, 50.6%)
CIE-LAB	lab(23.45, 23.88, -46.06)
CIE-LCH	lch(23.45, 51.88, 297.41°)
OKLab	oklab(34.95% 0.0047 -0.1328)
OKLCH	oklch(34.95% 0.133 272)
XYZ	xyz(5.5441, 3.9322, 20.2014)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F7E #7E7425

analogous

#255C7E #252F7E #47257E

triadic

#252F7E #7E252F #2F7E25

tetradic

#252F7E #7E255C #7E7425 #257E47

square

#252F7E #7E255C #7E7425 #257E47

split-complementary

#252F7E #7E4725 #5C7E25

monochromatic

#090C1F #171D4F #252F7E #3341AD #515FCC

Accessibility & contrast

On white

11.75

#252F7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#252F7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F7E

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F7E	#FFFFFF	#000000	##FFFFFF
##252F7E	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C81

Deuteranopia (green-blind)

#00347C

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #252f7e;
/* rgb */ color: rgb(37, 47, 126);
/* oklch */ color: oklch(34.9% 0.133 272.0);

Tailwind

colors: {
  custom: {
    50: '#6c67a4',
    500: '#252f7e',
    950: '#000000',
  },
}

SCSS

$custom: #252f7e;
$custom-light: #6c67a4;
$custom-dark: #000000;

JSON

{
  "hex": "#252f7e",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 126
  },
  "hsl": {
    "h": 233.258,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.34948,
    "c": 0.13289,
    "h": 272
  },
  "luminance": 0.03933
}

Semantic roles & 50–950 ramp

primary

#252F7E

secondary

#B0A54F

accent

#CD4ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #252F7E

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

Preview Lab → · Contrast checker → · Palette generator →