#143081#143081

#143081 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.141 H 265.0°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#143081
RGB	rgb(20, 48, 129)
HSL	hsl(225, 73%, 29%)
HSV	hsv(225, 84%, 51%)
CMYK	cmyk(84.5%, 62.8%, 0%, 49.4%)
CIE-LAB	lab(23.16, 22.31, -48.45)
CIE-LCH	lch(23.16, 53.34, 294.72°)
OKLab	oklab(34.59% -0.0122 -0.1402)
OKLCH	oklch(34.59% 0.141 265)
XYZ	xyz(5.3065, 3.8470, 21.2275)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143081 #816514

analogous

#146781 #143081 #2F1481

triadic

#143081 #811430 #308114

tetradic

#143081 #811467 #816514 #14812F

square

#143081 #811467 #816514 #14812F

split-complementary

#143081 #812F14 #678114

monochromatic

#040A1A #0C1C4C #143081 #1C44B6 #305DDF

Accessibility & contrast

On white

11.87

#143081 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#143081 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143081

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143081	#FFFFFF	#000000	##FFFFFF
##143081	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C84

Deuteranopia (green-blind)

#00327F

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143081;
/* rgb */ color: rgb(20, 48, 129);
/* oklch */ color: oklch(34.6% 0.141 265.0);

Tailwind

colors: {
  custom: {
    50: '#6767a6',
    500: '#143081',
    950: '#000000',
  },
}

SCSS

$custom: #143081;
$custom-light: #6767a6;
$custom-dark: #000000;

JSON

{
  "hex": "#143081",
  "rgb": {
    "r": 20,
    "g": 48,
    "b": 129
  },
  "hsl": {
    "h": 224.587,
    "s": 73.154,
    "l": 29.216
  },
  "oklch": {
    "l": 0.34592,
    "c": 0.14071,
    "h": 265
  },
  "luminance": 0.03848
}

Semantic roles & 50–950 ramp

primary

#143081

secondary

#B6963B

accent

#C138F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #143081

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

Preview Lab → · Contrast checker → · Palette generator →