#25317B#25317B

#25317B is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.126 H 271.4°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#25317B
RGB	rgb(37, 49, 123)
HSL	hsl(232, 54%, 31%)
HSV	hsv(232, 70%, 48%)
CMYK	cmyk(69.9%, 60.2%, 0%, 51.8%)
CIE-LAB	lab(23.74, 21.36, -43.69)
CIE-LCH	lch(23.74, 48.63, 296.05°)
OKLab	oklab(35.08% 0.003 -0.1258)
OKLCH	oklch(35.08% 0.126 271.4)
XYZ	xyz(5.4352, 4.0195, 19.2245)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25317B #7B6F25

analogous

#255C7B #25317B #44257B

triadic

#25317B #7B2531 #317B25

tetradic

#25317B #7B255C #7B6F25 #257B44

square

#25317B #7B255C #7B6F25 #257B44

split-complementary

#25317B #7B4425 #5C7B25

monochromatic

#090C1D #171E4C #25317B #3344AA #5061CA

Accessibility & contrast

On white

11.64

#25317B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#25317B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25317B

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25317B	#FFFFFF	#000000	##FFFFFF
##25317B	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7D

Deuteranopia (green-blind)

#00357A

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #25317b;
/* rgb */ color: rgb(37, 49, 123);
/* oklch */ color: oklch(35.1% 0.126 271.4);

Tailwind

colors: {
  custom: {
    50: '#6b68a2',
    500: '#25317b',
    950: '#000000',
  },
}

SCSS

$custom: #25317b;
$custom-light: #6b68a2;
$custom-dark: #000000;

JSON

{
  "hex": "#25317b",
  "rgb": {
    "r": 37,
    "g": 49,
    "b": 123
  },
  "hsl": {
    "h": 231.628,
    "s": 53.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35084,
    "c": 0.12586,
    "h": 271.4
  },
  "luminance": 0.0402
}

Semantic roles & 50–950 ramp

primary

#25317B

secondary

#ADA04F

accent

#C94BDD

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #25317B

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

Preview Lab → · Contrast checker → · Palette generator →