#252A8D#252A8D

#252A8D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.5% C 0.160 H 272.6°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#252A8D
RGB	rgb(37, 42, 141)
HSL	hsl(237, 58%, 35%)
HSV	hsv(237, 74%, 55%)
CMYK	cmyk(73.8%, 70.2%, 0%, 44.7%)
CIE-LAB	lab(23.58, 32.79, -55.24)
CIE-LCH	lch(23.58, 64.24, 300.69°)
OKLab	oklab(35.47% 0.0073 -0.1597)
OKLCH	oklch(35.47% 0.16 272.6)
XYZ	xyz(6.3970, 3.9717, 25.6236)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252A8D #8D8825

analogous

#255E8D #252A8D #54258D

triadic

#252A8D #8D252A #2A8D25

tetradic

#252A8D #8D255E #8D8825 #258D54

square

#252A8D #8D255E #8D8825 #258D54

split-complementary

#252A8D #8D5425 #5E8D25

monochromatic

#0C0D2C #181C5D #252A8D #3238BD #595FD3

Accessibility & contrast

On white

11.70

#252A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#252A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252A8D

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252A8D	#FFFFFF	#000000	##FFFFFF
##252A8D	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#00338B

Tritanopia (blue-blind)

#004558

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #252a8d;
/* rgb */ color: rgb(37, 42, 141);
/* oklch */ color: oklch(35.5% 0.160 272.6);

Tailwind

colors: {
  custom: {
    50: '#7064af',
    500: '#252a8d',
    950: '#000000',
  },
}

SCSS

$custom: #252a8d;
$custom-light: #7064af;
$custom-dark: #000000;

JSON

{
  "hex": "#252a8d",
  "rgb": {
    "r": 37,
    "g": 42,
    "b": 141
  },
  "hsl": {
    "h": 237.115,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35472,
    "c": 0.15991,
    "h": 272.6
  },
  "luminance": 0.03972
}

Semantic roles & 50–950 ramp

primary

#252A8D

secondary

#B8B356

accent

#DA46E2

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #252A8D

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

Preview Lab → · Contrast checker → · Palette generator →