#252CB1#252CB1

#252CB1 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.6% C 0.204 H 270.3°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#252CB1
RGB	rgb(37, 44, 177)
HSL	hsl(237, 65%, 42%)
HSV	hsv(237, 79%, 69%)
CMYK	cmyk(79.1%, 75.1%, 0%, 30.6%)
CIE-LAB	lab(27.76, 44.21, -70.28)
CIE-LCH	lch(27.76, 83.03, 302.17°)
OKLab	oklab(39.59% 0.0011 -0.2035)
OKLCH	oklch(39.59% 0.204 270.3)
XYZ	xyz(9.5967, 5.3679, 42.1168)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252CB1 #B1AA25

analogous

#2572B1 #252CB1 #6425B1

triadic

#252CB1 #B1252C #2CB125

tetradic

#252CB1 #B12572 #B1AA25 #25B164

square

#252CB1 #B12572 #B1AA25 #25B164

split-complementary

#252CB1 #B16425 #72B125

monochromatic

#10134C #1A1F7E #252CB1 #3D44D6 #6F75E1

Accessibility & contrast

On white

10.13

#252CB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#252CB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252CB1

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252CB1	#FFFFFF	#000000	##FFFFFF
##252CB1	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B5

Deuteranopia (green-blind)

#003AAF

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #252cb1;
/* rgb */ color: rgb(37, 44, 177);
/* oklch */ color: oklch(39.6% 0.204 270.3);

Tailwind

colors: {
  custom: {
    50: '#7967ca',
    500: '#252cb1',
    950: '#000000',
  },
}

SCSS

$custom: #252cb1;
$custom-light: #7967ca;
$custom-dark: #000000;

JSON

{
  "hex": "#252cb1",
  "rgb": {
    "r": 37,
    "g": 44,
    "b": 177
  },
  "hsl": {
    "h": 237,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39585,
    "c": 0.20354,
    "h": 270.3
  },
  "luminance": 0.05369
}

Semantic roles & 50–950 ramp

primary

#252CB1

secondary

#C8C36A

accent

#E03FE8

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #252CB1

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

Preview Lab → · Contrast checker → · Palette generator →