#252D8D#252D8D

#252D8D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.156 H 272.0°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#252D8D
RGB	rgb(37, 45, 141)
HSL	hsl(235, 58%, 35%)
HSV	hsv(235, 74%, 55%)
CMYK	cmyk(73.8%, 68.1%, 0%, 44.7%)
CIE-LAB	lab(24.30, 30.85, -54.06)
CIE-LCH	lch(24.30, 62.24, 299.71°)
OKLab	oklab(35.99% 0.0054 -0.1563)
OKLCH	oklch(35.99% 0.156 272)
XYZ	xyz(6.5074, 4.1925, 25.6604)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D8D #8D8525

analogous

#25618D #252D8D #51258D

triadic

#252D8D #8D252D #2D8D25

tetradic

#252D8D #8D2561 #8D8525 #258D51

square

#252D8D #8D2561 #8D8525 #258D51

split-complementary

#252D8D #8D5125 #618D25

monochromatic

#0C0E2C #181E5D #252D8D #323CBD #5962D3

Accessibility & contrast

On white

11.42

#252D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#252D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D8D

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D8D	#FFFFFF	#000000	##FFFFFF
##252D8D	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F90

Deuteranopia (green-blind)

#00358B

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #252d8d;
/* rgb */ color: rgb(37, 45, 141);
/* oklch */ color: oklch(36.0% 0.156 272.0);

Tailwind

colors: {
  custom: {
    50: '#7066af',
    500: '#252d8d',
    950: '#000000',
  },
}

SCSS

$custom: #252d8d;
$custom-light: #7066af;
$custom-dark: #000000;

JSON

{
  "hex": "#252d8d",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 141
  },
  "hsl": {
    "h": 235.385,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35995,
    "c": 0.15636,
    "h": 272
  },
  "luminance": 0.04193
}

Semantic roles & 50–950 ramp

primary

#252D8D

secondary

#B8B056

accent

#D646E2

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #252D8D

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

Preview Lab → · Contrast checker → · Palette generator →