#252B83#252B83

#252B83 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.7% C 0.145 H 273.0°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#252B83
RGB	rgb(37, 43, 131)
HSL	hsl(236, 56%, 33%)
HSV	hsv(236, 72%, 51%)
CMYK	cmyk(71.8%, 67.2%, 0%, 48.6%)
CIE-LAB	lab(22.86, 28.47, -50.17)
CIE-LCH	lch(22.86, 57.68, 299.57°)
OKLab	oklab(34.66% 0.0077 -0.1449)
OKLCH	oklch(34.66% 0.145 273)
XYZ	xyz(5.7222, 3.7592, 21.8924)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B83 #837D25

analogous

#255A83 #252B83 #4E2583

triadic

#252B83 #83252B #2B8325

tetradic

#252B83 #83255A #837D25 #25834E

square

#252B83 #83255A #837D25 #25834E

split-complementary

#252B83 #834E25 #5A8325

monochromatic

#0A0C24 #181B53 #252B83 #323BB3 #545CCF

Accessibility & contrast

On white

11.99

#252B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#252B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B83

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B83	#FFFFFF	#000000	##FFFFFF
##252B83	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B86

Deuteranopia (green-blind)

#003281

Tritanopia (blue-blind)

#004253

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #252b83;
/* rgb */ color: rgb(37, 43, 131);
/* oklch */ color: oklch(34.7% 0.145 273.0);

Tailwind

colors: {
  custom: {
    50: '#6e64a8',
    500: '#252b83',
    950: '#000000',
  },
}

SCSS

$custom: #252b83;
$custom-light: #6e64a8;
$custom-dark: #000000;

JSON

{
  "hex": "#252b83",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 131
  },
  "hsl": {
    "h": 236.17,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34656,
    "c": 0.1451,
    "h": 273
  },
  "luminance": 0.0376
}

Semantic roles & 50–950 ramp

primary

#252B83

secondary

#B3AD51

accent

#D649DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #252B83

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

Preview Lab → · Contrast checker → · Palette generator →