#252AB1#252AB1

#252AB1 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.3% C 0.205 H 270.5°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#252AB1
RGB	rgb(37, 42, 177)
HSL	hsl(238, 65%, 42%)
HSV	hsv(238, 79%, 69%)
CMYK	cmyk(79.1%, 76.3%, 0%, 30.6%)
CIE-LAB	lab(27.36, 45.34, -70.94)
CIE-LCH	lch(27.36, 84.19, 302.59°)
OKLab	oklab(39.3% 0.0018 -0.2054)
OKLCH	oklch(39.3% 0.205 270.5)
XYZ	xyz(9.5240, 5.2225, 42.0925)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252AB1 #B1AC25

analogous

#2570B1 #252AB1 #6625B1

triadic

#252AB1 #B1252A #2AB125

tetradic

#252AB1 #B12570 #B1AC25 #25B166

square

#252AB1 #B12570 #B1AC25 #25B166

split-complementary

#252AB1 #B16625 #70B125

monochromatic

#10124C #1A1E7E #252AB1 #3D42D6 #6F73E1

Accessibility & contrast

On white

10.27

#252AB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#252AB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252AB1

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252AB1	#FFFFFF	#000000	##FFFFFF
##252AB1	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B5

Deuteranopia (green-blind)

#0039AF

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #252ab1;
/* rgb */ color: rgb(37, 42, 177);
/* oklch */ color: oklch(39.3% 0.205 270.5);

Tailwind

colors: {
  custom: {
    50: '#7965ca',
    500: '#252ab1',
    950: '#000000',
  },
}

SCSS

$custom: #252ab1;
$custom-light: #7965ca;
$custom-dark: #000000;

JSON

{
  "hex": "#252ab1",
  "rgb": {
    "r": 37,
    "g": 42,
    "b": 177
  },
  "hsl": {
    "h": 237.857,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39303,
    "c": 0.20545,
    "h": 270.5
  },
  "luminance": 0.05224
}

Semantic roles & 50–950 ramp

primary

#252AB1

secondary

#C8C46A

accent

#E23FE8

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #252AB1

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

Preview Lab → · Contrast checker → · Palette generator →