#25179E#25179E

#25179E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.8% C 0.199 H 273.5°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#25179E
RGB	rgb(37, 23, 158)
HSL	hsl(246, 75%, 35%)
HSV	hsv(246, 85%, 62%)
CMYK	cmyk(76.6%, 85.4%, 0%, 38%)
CIE-LAB	lab(21.85, 48.79, -68.58)
CIE-LCH	lch(21.85, 84.17, 305.43°)
OKLab	oklab(34.81% 0.012 -0.1983)
OKLCH	oklch(34.81% 0.199 273.5)
XYZ	xyz(7.2388, 3.4740, 32.6302)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25179E #909E17

analogous

#174D9E #25179E #68179E

triadic

#25179E #9E2517 #179E25

tetradic

#25179E #9E174D #909E17 #179E68

square

#25179E #9E174D #909E17 #179E68

split-complementary

#25179E #9E6817 #4D9E17

monochromatic

#0C0733 #180F69 #25179E #321FD3 #5B4BE5

Accessibility & contrast

On white

12.39

#25179E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#25179E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25179E

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25179E	#FFFFFF	#000000	##FFFFFF
##25179E	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA2

Deuteranopia (green-blind)

#002E9C

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #25179e;
/* rgb */ color: rgb(37, 23, 158);
/* oklch */ color: oklch(34.8% 0.199 273.5);

Tailwind

colors: {
  custom: {
    50: '#765abc',
    500: '#25179e',
    950: '#000000',
  },
}

SCSS

$custom: #25179e;
$custom-light: #765abc;
$custom-dark: #000000;

JSON

{
  "hex": "#25179e",
  "rgb": {
    "r": 37,
    "g": 23,
    "b": 158
  },
  "hsl": {
    "h": 246.222,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.34813,
    "c": 0.19867,
    "h": 273.5
  },
  "luminance": 0.03475
}

Semantic roles & 50–950 ramp

primary

#25179E

secondary

#B9C64A

accent

#F137DE

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #25179E

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

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