#252BA9#252BA9

#252BA9 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.6% C 0.195 H 270.8°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#252BA9
RGB	rgb(37, 43, 169)
HSL	hsl(237, 64%, 40%)
HSV	hsv(237, 78%, 66%)
CMYK	cmyk(78.1%, 74.6%, 0%, 33.7%)
CIE-LAB	lab(26.69, 42.06, -67.24)
CIE-LCH	lch(26.69, 79.31, 302.03°)
OKLab	oklab(38.57% 0.0028 -0.1947)
OKLCH	oklch(38.57% 0.195 270.8)
XYZ	xyz(8.7858, 4.9847, 38.0275)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252BA9 #A9A325

analogous

#256DA9 #252BA9 #6125A9

triadic

#252BA9 #A9252B #2BA925

tetradic

#252BA9 #A9256D #A9A325 #25A961

square

#252BA9 #A9256D #A9A325 #25A961

split-complementary

#252BA9 #A96125 #6DA925

monochromatic

#0F1145 #1A1E77 #252BA9 #383FD3 #6A6FDE

Accessibility & contrast

On white

10.51

#252BA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#252BA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252BA9

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252BA9	#FFFFFF	#000000	##FFFFFF
##252BA9	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AD

Deuteranopia (green-blind)

#0039A7

Tritanopia (blue-blind)

#005068

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #252ba9;
/* rgb */ color: rgb(37, 43, 169);
/* oklch */ color: oklch(38.6% 0.195 270.8);

Tailwind

colors: {
  custom: {
    50: '#7766c4',
    500: '#252ba9',
    950: '#000000',
  },
}

SCSS

$custom: #252ba9;
$custom-light: #7766c4;
$custom-dark: #000000;

JSON

{
  "hex": "#252ba9",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 169
  },
  "hsl": {
    "h": 237.273,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38571,
    "c": 0.19473,
    "h": 270.8
  },
  "luminance": 0.04986
}

Semantic roles & 50–950 ramp

primary

#252BA9

secondary

#C4C065

accent

#E041E7

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #252BA9

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

Preview Lab → · Contrast checker → · Palette generator →