#25337B#25337B

#25337B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.5% C 0.123 H 270.5°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#25337B
RGB	rgb(37, 51, 123)
HSL	hsl(230, 54%, 31%)
HSV	hsv(230, 70%, 48%)
CMYK	cmyk(69.9%, 58.5%, 0%, 51.8%)
CIE-LAB	lab(24.29, 19.97, -42.79)
CIE-LCH	lch(24.29, 47.22, 295.02°)
OKLab	oklab(35.5% 0.0012 -0.1231)
OKLCH	oklch(35.5% 0.123 270.5)
XYZ	xyz(5.5207, 4.1905, 19.2530)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25337B #7B6D25

analogous

#255E7B #25337B #42257B

triadic

#25337B #7B2533 #337B25

tetradic

#25337B #7B255E #7B6D25 #257B42

square

#25337B #7B255E #7B6D25 #257B42

split-complementary

#25337B #7B4225 #5E7B25

monochromatic

#090C1D #171F4C #25337B #3347AA #5064CA

Accessibility & contrast

On white

11.42

#25337B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#25337B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25337B

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25337B	#FFFFFF	#000000	##FFFFFF
##25337B	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7D

Deuteranopia (green-blind)

#00367A

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #25337b;
/* rgb */ color: rgb(37, 51, 123);
/* oklch */ color: oklch(35.5% 0.123 270.5);

Tailwind

colors: {
  custom: {
    50: '#6b6aa2',
    500: '#25337b',
    950: '#000000',
  },
}

SCSS

$custom: #25337b;
$custom-light: #6b6aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#25337b",
  "rgb": {
    "r": 37,
    "g": 51,
    "b": 123
  },
  "hsl": {
    "h": 230.233,
    "s": 53.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35499,
    "c": 0.12315,
    "h": 270.5
  },
  "luminance": 0.04191
}

Semantic roles & 50–950 ramp

primary

#25337B

secondary

#AD9E4F

accent

#C54BDD

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #25337B

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

Preview Lab → · Contrast checker → · Palette generator →