#252BA7#252BA7

#252BA7 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.4% C 0.192 H 270.9°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#252BA7
RGB	rgb(37, 43, 167)
HSL	hsl(237, 64%, 40%)
HSV	hsv(237, 78%, 65%)
CMYK	cmyk(77.8%, 74.3%, 0%, 34.5%)
CIE-LAB	lab(26.48, 41.37, -66.39)
CIE-LCH	lch(26.48, 78.22, 301.93°)
OKLab	oklab(38.36% 0.0031 -0.1922)
OKLCH	oklch(38.36% 0.192 270.9)
XYZ	xyz(8.5995, 4.9101, 37.0463)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252BA7 #A7A125

analogous

#256CA7 #252BA7 #6025A7

triadic

#252BA7 #A7252B #2BA725

tetradic

#252BA7 #A7256C #A7A125 #25A760

square

#252BA7 #A7256C #A7A125 #25A760

split-complementary

#252BA7 #A76025 #6CA725

monochromatic

#0F1143 #1A1E75 #252BA7 #373ED3 #696EDE

Accessibility & contrast

On white

10.59

#252BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#252BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252BA7

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252BA7	#FFFFFF	#000000	##FFFFFF
##252BA7	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AB

Deuteranopia (green-blind)

#0038A5

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #252ba7;
/* rgb */ color: rgb(37, 43, 167);
/* oklch */ color: oklch(38.4% 0.192 270.9);

Tailwind

colors: {
  custom: {
    50: '#7766c2',
    500: '#252ba7',
    950: '#000000',
  },
}

SCSS

$custom: #252ba7;
$custom-light: #7766c2;
$custom-dark: #000000;

JSON

{
  "hex": "#252ba7",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 167
  },
  "hsl": {
    "h": 237.231,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.38356,
    "c": 0.19226,
    "h": 270.9
  },
  "luminance": 0.04911
}

Semantic roles & 50–950 ramp

primary

#252BA7

secondary

#C4BF64

accent

#DF41E7

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #252BA7

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

Preview Lab → · Contrast checker → · Palette generator →