#143181#143181

#143181 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.8% C 0.139 H 264.7°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#143181
RGB	rgb(20, 49, 129)
HSL	hsl(224, 73%, 29%)
HSV	hsv(224, 84%, 51%)
CMYK	cmyk(84.5%, 62%, 0%, 49.4%)
CIE-LAB	lab(23.44, 21.60, -48.00)
CIE-LCH	lch(23.44, 52.64, 294.23°)
OKLab	oklab(34.8% -0.0128 -0.1388)
OKLCH	oklch(34.8% 0.139 264.7)
XYZ	xyz(5.3478, 3.9297, 21.2413)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143181 #816414

analogous

#146881 #143181 #2E1481

triadic

#143181 #811431 #318114

tetradic

#143181 #811468 #816414 #14812E

square

#143181 #811468 #816414 #14812E

split-complementary

#143181 #812E14 #688114

monochromatic

#040A1A #0C1D4C #143181 #1C45B6 #305FDF

Accessibility & contrast

On white

11.76

#143181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#143181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143181

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143181	#FFFFFF	#000000	##FFFFFF
##143181	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D84

Deuteranopia (green-blind)

#00337F

Tritanopia (blue-blind)

#004654

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143181;
/* rgb */ color: rgb(20, 49, 129);
/* oklch */ color: oklch(34.8% 0.139 264.7);

Tailwind

colors: {
  custom: {
    50: '#6768a6',
    500: '#143181',
    950: '#000000',
  },
}

SCSS

$custom: #143181;
$custom-light: #6768a6;
$custom-dark: #000000;

JSON

{
  "hex": "#143181",
  "rgb": {
    "r": 20,
    "g": 49,
    "b": 129
  },
  "hsl": {
    "h": 224.037,
    "s": 73.154,
    "l": 29.216
  },
  "oklch": {
    "l": 0.348,
    "c": 0.13942,
    "h": 264.7
  },
  "luminance": 0.0393
}

Semantic roles & 50–950 ramp

primary

#143181

secondary

#B6953B

accent

#BF38F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #143181

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

Preview Lab → · Contrast checker → · Palette generator →