#252D56#252D56

#252D56 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.2% C 0.074 H 273.1°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#252D56
RGB	rgb(37, 45, 86)
HSL	hsl(230, 40%, 24%)
HSV	hsv(230, 57%, 34%)
CMYK	cmyk(57%, 47.7%, 0%, 66.3%)
CIE-LAB	lab(19.81, 10.08, -26.00)
CIE-LCH	lch(19.81, 27.88, 291.20°)
OKLab	oklab(31.25% 0.004 -0.0738)
OKLCH	oklch(31.25% 0.074 273.1)
XYZ	xyz(3.3805, 2.9417, 9.1920)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D56 #564E25

analogous

#254656 #252D56 #362556

triadic

#252D56 #56252D #2D5625

tetradic

#252D56 #562546 #564E25 #255636

square

#252D56 #562546 #564E25 #255636

split-complementary

#252D56 #563625 #465625

monochromatic

#090B15 #13172B #252D56 #374381 #4A5AAC

Accessibility & contrast

On white

13.22

#252D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#252D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D56

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D56	#FFFFFF	#000000	##FFFFFF
##252D56	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3258

Deuteranopia (green-blind)

#162E55

Tritanopia (blue-blind)

#0E363D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #252d56;
/* rgb */ color: rgb(37, 45, 86);
/* oklch */ color: oklch(31.2% 0.074 273.1);

Tailwind

colors: {
  custom: {
    50: '#646586',
    500: '#252d56',
    950: '#000000',
  },
}

SCSS

$custom: #252d56;
$custom-light: #646586;
$custom-dark: #000000;

JSON

{
  "hex": "#252d56",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 86
  },
  "hsl": {
    "h": 230.204,
    "s": 39.837,
    "l": 24.118
  },
  "oklch": {
    "l": 0.31245,
    "c": 0.07396,
    "h": 273.1
  },
  "luminance": 0.02942
}

Semantic roles & 50–950 ramp

primary

#252D56

secondary

#89804D

accent

#BC58D0

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#05050B

muted

#7A7A7C

Preview Lab

Preview with #252D56

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

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