#252CA8#252CA8

#252CA8 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.6% C 0.192 H 270.8°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#252CA8
RGB	rgb(37, 44, 168)
HSL	hsl(237, 64%, 40%)
HSV	hsv(237, 78%, 66%)
CMYK	cmyk(78%, 73.8%, 0%, 34.1%)
CIE-LAB	lab(26.79, 41.13, -66.47)
CIE-LCH	lch(26.79, 78.16, 301.75°)
OKLab	oklab(38.61% 0.0025 -0.1925)
OKLCH	oklch(38.61% 0.192 270.8)
XYZ	xyz(8.7291, 5.0209, 37.5473)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252CA8 #A8A125

analogous

#256DA8 #252CA8 #6025A8

triadic

#252CA8 #A8252C #2CA825

tetradic

#252CA8 #A8256D #A8A125 #25A860

square

#252CA8 #A8256D #A8A125 #25A860

split-complementary

#252CA8 #A86025 #6DA825

monochromatic

#0F1244 #1A1F76 #252CA8 #3740D3 #6970DE

Accessibility & contrast

On white

10.48

#252CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#252CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252CA8

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252CA8	#FFFFFF	#000000	##FFFFFF
##252CA8	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AC

Deuteranopia (green-blind)

#0039A6

Tritanopia (blue-blind)

#005067

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #252ca8;
/* rgb */ color: rgb(37, 44, 168);
/* oklch */ color: oklch(38.6% 0.192 270.8);

Tailwind

colors: {
  custom: {
    50: '#7766c3',
    500: '#252ca8',
    950: '#000000',
  },
}

SCSS

$custom: #252ca8;
$custom-light: #7766c3;
$custom-dark: #000000;

JSON

{
  "hex": "#252ca8",
  "rgb": {
    "r": 37,
    "g": 44,
    "b": 168
  },
  "hsl": {
    "h": 236.794,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38613,
    "c": 0.19249,
    "h": 270.8
  },
  "luminance": 0.05022
}

Semantic roles & 50–950 ramp

primary

#252CA8

secondary

#C4BF65

accent

#DE41E7

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #252CA8

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

Preview Lab → · Contrast checker → · Palette generator →