#252D78#252D78

#252D78 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.0% C 0.127 H 273.0°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#252D78
RGB	rgb(37, 45, 120)
HSL	hsl(234, 53%, 31%)
HSV	hsv(234, 69%, 47%)
CMYK	cmyk(69.2%, 62.5%, 0%, 52.9%)
CIE-LAB	lab(22.39, 22.98, -43.97)
CIE-LCH	lch(22.39, 49.61, 297.59°)
OKLab	oklab(34.01% 0.0066 -0.1267)
OKLCH	oklch(34.01% 0.127 273)
XYZ	xyz(5.0904, 3.6257, 18.1972)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D78 #787025

analogous

#255678 #252D78 #462578

triadic

#252D78 #78252D #2D7825

tetradic

#252D78 #782556 #787025 #257846

square

#252D78 #782556 #787025 #257846

split-complementary

#252D78 #784625 #567825

monochromatic

#080A1A #171B49 #252D78 #333FA7 #4F5AC9

Accessibility & contrast

On white

12.17

#252D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#252D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D78

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D78	#FFFFFF	#000000	##FFFFFF
##252D78	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397A

Deuteranopia (green-blind)

#003277

Tritanopia (blue-blind)

#00404E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #252d78;
/* rgb */ color: rgb(37, 45, 120);
/* oklch */ color: oklch(34.0% 0.127 273.0);

Tailwind

colors: {
  custom: {
    50: '#6b65a0',
    500: '#252d78',
    950: '#000000',
  },
}

SCSS

$custom: #252d78;
$custom-light: #6b65a0;
$custom-dark: #000000;

JSON

{
  "hex": "#252d78",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 120
  },
  "hsl": {
    "h": 234.217,
    "s": 52.866,
    "l": 30.784
  },
  "oklch": {
    "l": 0.34008,
    "c": 0.12686,
    "h": 273
  },
  "luminance": 0.03626
}

Semantic roles & 50–950 ramp

primary

#252D78

secondary

#AAA24E

accent

#CE4CDC

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07050F

muted

#7A7A7E

Preview Lab

Preview with #252D78

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

Preview Lab → · Contrast checker → · Palette generator →