#252F8D#252F8D

#252F8D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.4% C 0.154 H 271.5°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#252F8D
RGB	rgb(37, 47, 141)
HSL	hsl(234, 58%, 35%)
HSV	hsv(234, 74%, 55%)
CMYK	cmyk(73.8%, 66.7%, 0%, 44.7%)
CIE-LAB	lab(24.79, 29.53, -53.25)
CIE-LCH	lch(24.79, 60.89, 299.01°)
OKLab	oklab(36.35% 0.004 -0.1539)
OKLCH	oklch(36.35% 0.154 271.5)
XYZ	xyz(6.5856, 4.3488, 25.6865)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F8D #8D8325

analogous

#25638D #252F8D #4F258D

triadic

#252F8D #8D252F #2F8D25

tetradic

#252F8D #8D2563 #8D8325 #258D4F

square

#252F8D #8D2563 #8D8325 #258D4F

split-complementary

#252F8D #8D4F25 #638D25

monochromatic

#0C0F2C #181F5D #252F8D #323FBD #5965D3

Accessibility & contrast

On white

11.23

#252F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#252F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F8D

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F8D	#FFFFFF	#000000	##FFFFFF
##252F8D	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004090

Deuteranopia (green-blind)

#00368B

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #252f8d;
/* rgb */ color: rgb(37, 47, 141);
/* oklch */ color: oklch(36.4% 0.154 271.5);

Tailwind

colors: {
  custom: {
    50: '#7067af',
    500: '#252f8d',
    950: '#000000',
  },
}

SCSS

$custom: #252f8d;
$custom-light: #7067af;
$custom-dark: #000000;

JSON

{
  "hex": "#252f8d",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 141
  },
  "hsl": {
    "h": 234.231,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.36355,
    "c": 0.15394,
    "h": 271.5
  },
  "luminance": 0.04349
}

Semantic roles & 50–950 ramp

primary

#252F8D

secondary

#B8AF56

accent

#D346E2

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #252F8D

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

Preview Lab → · Contrast checker → · Palette generator →