#252F87#252F87

#252F87 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.8% C 0.146 H 271.7°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#252F87
RGB	rgb(37, 47, 135)
HSL	hsl(234, 57%, 34%)
HSV	hsv(234, 73%, 53%)
CMYK	cmyk(72.6%, 65.2%, 0%, 47.1%)
CIE-LAB	lab(24.24, 27.29, -50.41)
CIE-LCH	lch(24.24, 57.33, 298.43°)
OKLab	oklab(35.78% 0.0044 -0.1456)
OKLCH	oklch(35.78% 0.146 271.7)
XYZ	xyz(6.1512, 4.1750, 23.3987)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F87 #877D25

analogous

#256087 #252F87 #4C2587

triadic

#252F87 #87252F #2F8725

tetradic

#252F87 #872560 #877D25 #25874C

square

#252F87 #872560 #877D25 #25874C

split-complementary

#252F87 #874C25 #608725

monochromatic

#0B0E27 #181E57 #252F87 #3240B7 #5662D1

Accessibility & contrast

On white

11.44

#252F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#252F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F87

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F87	#FFFFFF	#000000	##FFFFFF
##252F87	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8A

Deuteranopia (green-blind)

#003585

Tritanopia (blue-blind)

#004656

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #252f87;
/* rgb */ color: rgb(37, 47, 135);
/* oklch */ color: oklch(35.8% 0.146 271.7);

Tailwind

colors: {
  custom: {
    50: '#6e67ab',
    500: '#252f87',
    950: '#000000',
  },
}

SCSS

$custom: #252f87;
$custom-light: #6e67ab;
$custom-dark: #000000;

JSON

{
  "hex": "#252f87",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 135
  },
  "hsl": {
    "h": 233.878,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35782,
    "c": 0.14565,
    "h": 271.7
  },
  "luminance": 0.04176
}

Semantic roles & 50–950 ramp

primary

#252F87

secondary

#B5AB53

accent

#D148E0

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #252F87

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

Preview Lab → · Contrast checker → · Palette generator →