#252B77#252B77

#252B77 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.5% C 0.128 H 273.8°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#252B77
RGB	rgb(37, 43, 119)
HSL	hsl(236, 53%, 31%)
HSV	hsv(236, 69%, 47%)
CMYK	cmyk(68.9%, 63.9%, 0%, 53.3%)
CIE-LAB	lab(21.77, 23.98, -44.35)
CIE-LCH	lch(21.77, 50.41, 298.40°)
OKLab	oklab(33.52% 0.0084 -0.1278)
OKLCH	oklch(33.52% 0.128 273.8)
XYZ	xyz(4.9555, 3.4525, 17.8544)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B77 #777125

analogous

#255477 #252B77 #482577

triadic

#252B77 #77252B #2B7725

tetradic

#252B77 #772554 #777125 #257748

square

#252B77 #772554 #777125 #257748

split-complementary

#252B77 #774825 #547725

monochromatic

#08091A #161A48 #252B77 #343CA6 #4E57C8

Accessibility & contrast

On white

12.42

#252B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#252B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B77

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B77	#FFFFFF	#000000	##FFFFFF
##252B77	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003879

Deuteranopia (green-blind)

#003176

Tritanopia (blue-blind)

#003E4C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #252b77;
/* rgb */ color: rgb(37, 43, 119);
/* oklch */ color: oklch(33.5% 0.128 273.8);

Tailwind

colors: {
  custom: {
    50: '#6b649f',
    500: '#252b77',
    950: '#000000',
  },
}

SCSS

$custom: #252b77;
$custom-light: #6b649f;
$custom-dark: #000000;

JSON

{
  "hex": "#252b77",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 119
  },
  "hsl": {
    "h": 235.61,
    "s": 52.564,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33522,
    "c": 0.12809,
    "h": 273.8
  },
  "luminance": 0.03453
}

Semantic roles & 50–950 ramp

primary

#252B77

secondary

#A9A34E

accent

#D14CDC

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #252B77

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

Preview Lab → · Contrast checker → · Palette generator →