#181081#181081

#181081 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.7% C 0.173 H 271.5°. Best body text is #FFFFFF at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#181081
RGB	rgb(24, 16, 129)
HSL	hsl(244, 78%, 28%)
HSV	hsv(244, 88%, 51%)
CMYK	cmyk(81.4%, 87.6%, 0%, 49.4%)
CIE-LAB	lab(16.25, 42.18, -59.84)
CIE-LCH	lch(16.25, 73.21, 305.18°)
OKLab	oklab(29.68% 0.0046 -0.1731)
OKLCH	oklch(29.68% 0.173 271.5)
XYZ	xyz(4.5231, 2.1492, 20.9411)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181081 #798110

analogous

#104081 #181081 #501081

triadic

#181081 #811810 #108118

tetradic

#181081 #811040 #798110 #108150

square

#181081 #811040 #798110 #108150

split-complementary

#181081 #815010 #408110

monochromatic

#05031B #0E094B #181081 #2217B7 #3527E4

Accessibility & contrast

On white

14.69

#181081 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#181081 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181081

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181081	#FFFFFF	#000000	##FFFFFF
##181081	1.00	14.69	1.43	14.69
#FFFFFF	14.69	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E84

Deuteranopia (green-blind)

#00237F

Tritanopia (blue-blind)

#00364B

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #181081;
/* rgb */ color: rgb(24, 16, 129);
/* oklch */ color: oklch(29.7% 0.173 271.5);

Tailwind

colors: {
  custom: {
    50: '#6b53a7',
    500: '#181081',
    950: '#000000',
  },
}

SCSS

$custom: #181081;
$custom-light: #6b53a7;
$custom-dark: #000000;

JSON

{
  "hex": "#181081",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 129
  },
  "hsl": {
    "h": 244.248,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29681,
    "c": 0.17316,
    "h": 271.5
  },
  "luminance": 0.0215
}

Semantic roles & 50–950 ramp

primary

#181081

secondary

#AEB736

accent

#F433E7

background

#F7F4FA

surface

#EDE7F4

border

#C8C3CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #181081

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

Preview Lab → · Contrast checker → · Palette generator →