#143780#143780

#143780 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.0% C 0.130 H 262.5°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#143780
RGB	rgb(20, 55, 128)
HSL	hsl(221, 73%, 29%)
HSV	hsv(221, 84%, 50%)
CMYK	cmyk(84.4%, 57%, 0%, 49.8%)
CIE-LAB	lab(25.07, 16.94, -44.71)
CIE-LCH	lch(25.07, 47.81, 290.75°)
OKLab	oklab(36% -0.0169 -0.129)
OKLCH	oklch(36% 0.13 262.5)
XYZ	xyz(5.5496, 4.4389, 20.9822)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143780 #805D14

analogous

#146D80 #143780 #271480

triadic

#143780 #801437 #378014

tetradic

#143780 #80146D #805D14 #148027

square

#143780 #80146D #805D14 #148027

split-complementary

#143780 #802714 #6D8014

monochromatic

#040B1A #0C204B #143780 #1C4EB5 #3068DF

Accessibility & contrast

On white

11.12

#143780 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#143780 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143780

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143780	#FFFFFF	#000000	##FFFFFF
##143780	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004183

Deuteranopia (green-blind)

#00377F

Tritanopia (blue-blind)

#004956

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #143780;
/* rgb */ color: rgb(20, 55, 128);
/* oklch */ color: oklch(36.0% 0.130 262.5);

Tailwind

colors: {
  custom: {
    50: '#666da5',
    500: '#143780',
    950: '#000000',
  },
}

SCSS

$custom: #143780;
$custom-light: #666da5;
$custom-dark: #000000;

JSON

{
  "hex": "#143780",
  "rgb": {
    "r": 20,
    "g": 55,
    "b": 128
  },
  "hsl": {
    "h": 220.556,
    "s": 72.973,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36002,
    "c": 0.13015,
    "h": 262.5
  },
  "luminance": 0.0444
}

Semantic roles & 50–950 ramp

primary

#143780

secondary

#B58D3B

accent

#B438F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #143780

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

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