#252F88#252F88

#252F88 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.9% C 0.147 H 271.7°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#252F88
RGB	rgb(37, 47, 136)
HSL	hsl(234, 57%, 34%)
HSV	hsv(234, 73%, 53%)
CMYK	cmyk(72.8%, 65.4%, 0%, 46.7%)
CIE-LAB	lab(24.33, 27.66, -50.89)
CIE-LCH	lch(24.33, 57.92, 298.53°)
OKLab	oklab(35.88% 0.0044 -0.147)
OKLCH	oklch(35.88% 0.147 271.7)
XYZ	xyz(6.2219, 4.2033, 23.7712)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F88 #887E25

analogous

#256188 #252F88 #4D2588

triadic

#252F88 #88252F #2F8825

tetradic

#252F88 #882561 #887E25 #25884D

square

#252F88 #882561 #887E25 #25884D

split-complementary

#252F88 #884D25 #618825

monochromatic

#0B0E28 #181E58 #252F88 #3240B8 #5663D1

Accessibility & contrast

On white

11.41

#252F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#252F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F88

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F88	#FFFFFF	#000000	##FFFFFF
##252F88	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8B

Deuteranopia (green-blind)

#003586

Tritanopia (blue-blind)

#004657

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #252f88;
/* rgb */ color: rgb(37, 47, 136);
/* oklch */ color: oklch(35.9% 0.147 271.7);

Tailwind

colors: {
  custom: {
    50: '#6e67ac',
    500: '#252f88',
    950: '#000000',
  },
}

SCSS

$custom: #252f88;
$custom-light: #6e67ac;
$custom-dark: #000000;

JSON

{
  "hex": "#252f88",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 136
  },
  "hsl": {
    "h": 233.939,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35877,
    "c": 0.14704,
    "h": 271.7
  },
  "luminance": 0.04204
}

Semantic roles & 50–950 ramp

primary

#252F88

secondary

#B6AC53

accent

#D147E0

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #252F88

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

Preview Lab → · Contrast checker → · Palette generator →