#253171#253171

#253171 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.2% C 0.111 H 271.3°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#253171
RGB	rgb(37, 49, 113)
HSL	hsl(231, 51%, 29%)
HSV	hsv(231, 67%, 44%)
CMYK	cmyk(67.3%, 56.6%, 0%, 55.7%)
CIE-LAB	lab(22.94, 17.51, -38.62)
CIE-LCH	lch(22.94, 42.40, 294.39°)
OKLab	oklab(34.23% 0.0026 -0.1109)
OKLCH	oklch(34.23% 0.111 271.3)
XYZ	xyz(4.8409, 3.7818, 16.0944)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253171 #716525

analogous

#255771 #253171 #3F2571

triadic

#253171 #712531 #317125

tetradic

#253171 #712557 #716525 #25713F

square

#253171 #712557 #716525 #25713F

split-complementary

#253171 #713F25 #577125

monochromatic

#080A17 #161D43 #253171 #34459F #4C5FC4

Accessibility & contrast

On white

11.96

#253171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#253171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253171

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253171	#FFFFFF	#000000	##FFFFFF
##253171	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043A73

Deuteranopia (green-blind)

#003370

Tritanopia (blue-blind)

#00404C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #253171;
/* rgb */ color: rgb(37, 49, 113);
/* oklch */ color: oklch(34.2% 0.111 271.3);

Tailwind

colors: {
  custom: {
    50: '#69689a',
    500: '#253171',
    950: '#000000',
  },
}

SCSS

$custom: #253171;
$custom-light: #69689a;
$custom-dark: #000000;

JSON

{
  "hex": "#253171",
  "rgb": {
    "r": 37,
    "g": 49,
    "b": 113
  },
  "hsl": {
    "h": 230.526,
    "s": 50.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.34234,
    "c": 0.11093,
    "h": 271.3
  },
  "luminance": 0.03782
}

Semantic roles & 50–950 ramp

primary

#253171

secondary

#A4964E

accent

#C44EDA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #253171

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

Preview Lab → · Contrast checker → · Palette generator →