#25318D#25318D

#25318D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.151 H 271.0°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#25318D
RGB	rgb(37, 49, 141)
HSL	hsl(233, 58%, 35%)
HSV	hsv(233, 74%, 55%)
CMYK	cmyk(73.8%, 65.2%, 0%, 44.7%)
CIE-LAB	lab(25.30, 28.20, -52.42)
CIE-LCH	lch(25.30, 59.52, 298.28°)
OKLab	oklab(36.73% 0.0026 -0.1514)
OKLCH	oklch(36.73% 0.151 271)
XYZ	xyz(6.6673, 4.5123, 25.7137)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25318D #8D8125

analogous

#25658D #25318D #4D258D

triadic

#25318D #8D2531 #318D25

tetradic

#25318D #8D2565 #8D8125 #258D4D

square

#25318D #8D2565 #8D8125 #258D4D

split-complementary

#25318D #8D4D25 #658D25

monochromatic

#0C0F2C #18205D #25318D #3242BD #5967D3

Accessibility & contrast

On white

11.04

#25318D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#25318D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25318D

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25318D	#FFFFFF	#000000	##FFFFFF
##25318D	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004190

Deuteranopia (green-blind)

#00378B

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #25318d;
/* rgb */ color: rgb(37, 49, 141);
/* oklch */ color: oklch(36.7% 0.151 271.0);

Tailwind

colors: {
  custom: {
    50: '#6f69af',
    500: '#25318d',
    950: '#000000',
  },
}

SCSS

$custom: #25318d;
$custom-light: #6f69af;
$custom-dark: #000000;

JSON

{
  "hex": "#25318d",
  "rgb": {
    "r": 37,
    "g": 49,
    "b": 141
  },
  "hsl": {
    "h": 233.077,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.36725,
    "c": 0.15147,
    "h": 271
  },
  "luminance": 0.04513
}

Semantic roles & 50–950 ramp

primary

#25318D

secondary

#B8AD56

accent

#D046E2

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #25318D

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

Preview Lab → · Contrast checker → · Palette generator →