#252E81#252E81

#252E81 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.0% C 0.138 H 272.3°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#252E81
RGB	rgb(37, 46, 129)
HSL	hsl(234, 55%, 33%)
HSV	hsv(234, 71%, 51%)
CMYK	cmyk(71.3%, 64.3%, 0%, 49.4%)
CIE-LAB	lab(23.44, 25.70, -47.95)
CIE-LCH	lch(23.44, 54.41, 298.19°)
OKLab	oklab(35.03% 0.0055 -0.1384)
OKLCH	oklch(35.03% 0.138 272.3)
XYZ	xyz(5.7011, 3.9317, 21.2231)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252E81 #817825

analogous

#255C81 #252E81 #4A2581

triadic

#252E81 #81252E #2E8125

tetradic

#252E81 #81255C #817825 #25814A

square

#252E81 #81255C #817825 #25814A

split-complementary

#252E81 #814A25 #5C8125

monochromatic

#0A0C22 #171D51 #252E81 #333FB1 #535FCE

Accessibility & contrast

On white

11.76

#252E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#252E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252E81

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252E81	#FFFFFF	#000000	##FFFFFF
##252E81	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C84

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#004353

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #252e81;
/* rgb */ color: rgb(37, 46, 129);
/* oklch */ color: oklch(35.0% 0.138 272.3);

Tailwind

colors: {
  custom: {
    50: '#6d66a6',
    500: '#252e81',
    950: '#000000',
  },
}

SCSS

$custom: #252e81;
$custom-light: #6d66a6;
$custom-dark: #000000;

JSON

{
  "hex": "#252e81",
  "rgb": {
    "r": 37,
    "g": 46,
    "b": 129
  },
  "hsl": {
    "h": 234.13,
    "s": 55.422,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35029,
    "c": 0.13849,
    "h": 272.3
  },
  "luminance": 0.03932
}

Semantic roles & 50–950 ramp

primary

#252E81

secondary

#B2A850

accent

#D049DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #252E81

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

Preview Lab → · Contrast checker → · Palette generator →