#252B78#252B78

#252B78 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.6% C 0.130 H 273.7°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#252B78
RGB	rgb(37, 43, 120)
HSL	hsl(236, 53%, 31%)
HSV	hsv(236, 69%, 47%)
CMYK	cmyk(69.2%, 64.2%, 0%, 52.9%)
CIE-LAB	lab(21.86, 24.36, -44.84)
CIE-LCH	lch(21.86, 51.03, 298.51°)
OKLab	oklab(33.62% 0.0084 -0.1293)
OKLCH	oklch(33.62% 0.13 273.7)
XYZ	xyz(5.0159, 3.4767, 18.1724)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B78 #787225

analogous

#255478 #252B78 #482578

triadic

#252B78 #78252B #2B7825

tetradic

#252B78 #782554 #787225 #257848

square

#252B78 #782554 #787225 #257848

split-complementary

#252B78 #784825 #547825

monochromatic

#08091A #171A49 #252B78 #333CA7 #4F58C9

Accessibility & contrast

On white

12.39

#252B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#252B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B78

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B78	#FFFFFF	#000000	##FFFFFF
##252B78	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387B

Deuteranopia (green-blind)

#003176

Tritanopia (blue-blind)

#003E4D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #252b78;
/* rgb */ color: rgb(37, 43, 120);
/* oklch */ color: oklch(33.6% 0.130 273.7);

Tailwind

colors: {
  custom: {
    50: '#6b64a0',
    500: '#252b78',
    950: '#000000',
  },
}

SCSS

$custom: #252b78;
$custom-light: #6b64a0;
$custom-dark: #000000;

JSON

{
  "hex": "#252b78",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 120
  },
  "hsl": {
    "h": 235.663,
    "s": 52.866,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33615,
    "c": 0.12953,
    "h": 273.7
  },
  "luminance": 0.03477
}

Semantic roles & 50–950 ramp

primary

#252B78

secondary

#AAA44E

accent

#D24CDC

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07050F

muted

#7A7A7E

Preview Lab

Preview with #252B78

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

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