#181259#181259

#181259 is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 25.0% C 0.120 H 276.9°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#181259
RGB	rgb(24, 18, 89)
HSL	hsl(245, 66%, 21%)
HSV	hsv(245, 80%, 35%)
CMYK	cmyk(73%, 79.8%, 0%, 65.1%)
CIE-LAB	lab(11.61, 27.60, -41.37)
CIE-LCH	lch(11.61, 49.73, 303.72°)
OKLab	oklab(24.99% 0.0145 -0.1195)
OKLCH	oklch(24.99% 0.12 276.9)
XYZ	xyz(2.3956, 1.3479, 9.5832)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181259 #535912

analogous

#122F59 #181259 #3B1259

triadic

#181259 #591812 #125918

tetradic

#181259 #59122F #535912 #12593B

square

#181259 #59122F #535912 #12593B

split-complementary

#181259 #593B12 #2F5912

monochromatic

#070519 #0A0826 #181259 #261C8C #3327BF

Accessibility & contrast

On white

16.54

#181259 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#181259 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181259

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181259	#FFFFFF	#000000	##FFFFFF
##181259	1.00	16.54	1.27	16.54
#FFFFFF	16.54	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225B

Deuteranopia (green-blind)

#001C58

Tritanopia (blue-blind)

#002634

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #181259;
/* rgb */ color: rgb(24, 18, 89);
/* oklch */ color: oklch(25.0% 0.120 276.9);

Tailwind

colors: {
  custom: {
    50: '#605189',
    500: '#181259',
    950: '#000000',
  },
}

SCSS

$custom: #181259;
$custom-light: #605189;
$custom-dark: #000000;

JSON

{
  "hex": "#181259",
  "rgb": {
    "r": 24,
    "g": 18,
    "b": 89
  },
  "hsl": {
    "h": 245.07,
    "s": 66.355,
    "l": 20.98
  },
  "oklch": {
    "l": 0.24992,
    "c": 0.1204,
    "h": 276.9
  },
  "luminance": 0.01348
}

Semantic roles & 50–950 ramp

primary

#181259

secondary

#8A9235

accent

#E93FDB

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020B

muted

#7A787C

Preview Lab

Preview with #181259

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

Preview Lab → · Contrast checker → · Palette generator →