#252C88#252C88

#252C88 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.3% C 0.151 H 272.5°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#252C88
RGB	rgb(37, 44, 136)
HSL	hsl(236, 57%, 34%)
HSV	hsv(236, 73%, 53%)
CMYK	cmyk(72.8%, 67.6%, 0%, 46.7%)
CIE-LAB	lab(23.58, 29.66, -52.13)
CIE-LCH	lch(23.58, 59.97, 299.64°)
OKLab	oklab(35.32% 0.0065 -0.1506)
OKLCH	oklch(35.32% 0.151 272.5)
XYZ	xyz(6.1061, 3.9717, 23.7326)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252C88 #888125

analogous

#255E88 #252C88 #502588

triadic

#252C88 #88252C #2C8825

tetradic

#252C88 #88255E #888125 #258850

square

#252C88 #88255E #888125 #258850

split-complementary

#252C88 #885025 #5E8825

monochromatic

#0B0D28 #181C58 #252C88 #323CB8 #565FD1

Accessibility & contrast

On white

11.70

#252C88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#252C88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252C88

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252C88	#FFFFFF	#000000	##FFFFFF
##252C88	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8B

Deuteranopia (green-blind)

#003486

Tritanopia (blue-blind)

#004456

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #252c88;
/* rgb */ color: rgb(37, 44, 136);
/* oklch */ color: oklch(35.3% 0.151 272.5);

Tailwind

colors: {
  custom: {
    50: '#6f65ac',
    500: '#252c88',
    950: '#000000',
  },
}

SCSS

$custom: #252c88;
$custom-light: #6f65ac;
$custom-dark: #000000;

JSON

{
  "hex": "#252c88",
  "rgb": {
    "r": 37,
    "g": 44,
    "b": 136
  },
  "hsl": {
    "h": 235.758,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35324,
    "c": 0.15076,
    "h": 272.5
  },
  "luminance": 0.03972
}

Semantic roles & 50–950 ramp

primary

#252C88

secondary

#B6AF53

accent

#D647E0

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #252C88

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

Preview Lab → · Contrast checker → · Palette generator →