#252A8A#252A8A

#252A8A is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.2% C 0.156 H 272.8°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#252A8A
RGB	rgb(37, 42, 138)
HSL	hsl(237, 58%, 34%)
HSV	hsv(237, 73%, 54%)
CMYK	cmyk(73.2%, 69.6%, 0%, 45.9%)
CIE-LAB	lab(23.28, 31.70, -53.86)
CIE-LCH	lch(23.28, 62.49, 300.48°)
OKLab	oklab(35.17% 0.0077 -0.1557)
OKLCH	oklch(35.17% 0.156 272.8)
XYZ	xyz(6.1768, 3.8836, 24.4639)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252A8A #8A8525

analogous

#255D8A #252A8A #53258A

triadic

#252A8A #8A252A #2A8A25

tetradic

#252A8A #8A255D #8A8525 #258A53

square

#252A8A #8A255D #8A8525 #258A53

split-complementary

#252A8A #8A5325 #5D8A25

monochromatic

#0B0D29 #181B5A #252A8A #3239BA #575DD2

Accessibility & contrast

On white

11.82

#252A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#252A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252A8A

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252A8A	#FFFFFF	#000000	##FFFFFF
##252A8A	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8D

Deuteranopia (green-blind)

#003388

Tritanopia (blue-blind)

#004456

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #252a8a;
/* rgb */ color: rgb(37, 42, 138);
/* oklch */ color: oklch(35.2% 0.156 272.8);

Tailwind

colors: {
  custom: {
    50: '#6f64ad',
    500: '#252a8a',
    950: '#000000',
  },
}

SCSS

$custom: #252a8a;
$custom-light: #6f64ad;
$custom-dark: #000000;

JSON

{
  "hex": "#252a8a",
  "rgb": {
    "r": 37,
    "g": 42,
    "b": 138
  },
  "hsl": {
    "h": 237.03,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35169,
    "c": 0.15588,
    "h": 272.8
  },
  "luminance": 0.03884
}

Semantic roles & 50–950 ramp

primary

#252A8A

secondary

#B7B254

accent

#D947E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #252A8A

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

Preview Lab → · Contrast checker → · Palette generator →