#25179D#25179D

#25179D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.7% C 0.198 H 273.6°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#25179D
RGB	rgb(37, 23, 157)
HSL	hsl(246, 74%, 35%)
HSV	hsv(246, 85%, 62%)
CMYK	cmyk(76.4%, 85.4%, 0%, 38.4%)
CIE-LAB	lab(21.73, 48.49, -68.18)
CIE-LCH	lch(21.73, 83.66, 305.42°)
OKLab	oklab(34.69% 0.0122 -0.1971)
OKLCH	oklch(34.69% 0.198 273.6)
XYZ	xyz(7.1531, 3.4397, 32.1787)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25179D #8F9D17

analogous

#174C9D #25179D #68179D

triadic

#25179D #9D2517 #179D25

tetradic

#25179D #9D174C #8F9D17 #179D68

square

#25179D #9D174C #8F9D17 #179D68

split-complementary

#25179D #9D6817 #4C9D17

monochromatic

#0C0732 #180F68 #25179D #321FD2 #5A4AE4

Accessibility & contrast

On white

12.44

#25179D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#25179D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25179D

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25179D	#FFFFFF	#000000	##FFFFFF
##25179D	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA1

Deuteranopia (green-blind)

#002E9B

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #25179d;
/* rgb */ color: rgb(37, 23, 157);
/* oklch */ color: oklch(34.7% 0.198 273.6);

Tailwind

colors: {
  custom: {
    50: '#765abb',
    500: '#25179d',
    950: '#000000',
  },
}

SCSS

$custom: #25179d;
$custom-light: #765abb;
$custom-dark: #000000;

JSON

{
  "hex": "#25179d",
  "rgb": {
    "r": 37,
    "g": 23,
    "b": 157
  },
  "hsl": {
    "h": 246.269,
    "s": 74.444,
    "l": 35.294
  },
  "oklch": {
    "l": 0.34691,
    "c": 0.19752,
    "h": 273.6
  },
  "luminance": 0.0344
}

Semantic roles & 50–950 ramp

primary

#25179D

secondary

#B9C64A

accent

#F137DE

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #25179D

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

Preview Lab → · Contrast checker → · Palette generator →