#143A80#143A80

#143A80 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.7% C 0.126 H 261.3°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#143A80
RGB	rgb(20, 58, 128)
HSL	hsl(219, 73%, 29%)
HSV	hsv(219, 84%, 50%)
CMYK	cmyk(84.4%, 54.7%, 0%, 49.8%)
CIE-LAB	lab(25.96, 14.81, -43.27)
CIE-LCH	lch(25.96, 45.73, 288.90°)
OKLab	oklab(36.68% -0.0191 -0.1248)
OKLCH	oklch(36.68% 0.126 261.3)
XYZ	xyz(5.6964, 4.7327, 21.0312)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A80 #805A14

analogous

#147080 #143A80 #241480

triadic

#143A80 #80143A #3A8014

tetradic

#143A80 #801470 #805A14 #148024

square

#143A80 #801470 #805A14 #148024

split-complementary

#143A80 #802414 #708014

monochromatic

#040C1A #0C224B #143A80 #1C52B5 #306DDF

Accessibility & contrast

On white

10.79

#143A80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#143A80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A80

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A80	#FFFFFF	#000000	##FFFFFF
##143A80	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#054382

Deuteranopia (green-blind)

#00397F

Tritanopia (blue-blind)

#004B57

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #143a80;
/* rgb */ color: rgb(20, 58, 128);
/* oklch */ color: oklch(36.7% 0.126 261.3);

Tailwind

colors: {
  custom: {
    50: '#666fa5',
    500: '#143a80',
    950: '#000000',
  },
}

SCSS

$custom: #143a80;
$custom-light: #666fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#143a80",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 128
  },
  "hsl": {
    "h": 218.889,
    "s": 72.973,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36675,
    "c": 0.12621,
    "h": 261.3
  },
  "luminance": 0.04733
}

Semantic roles & 50–950 ramp

primary

#143A80

secondary

#B58A3B

accent

#AF38F0

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #143A80

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

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