#143E82#143E82

#143E82 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.8% C 0.124 H 259.8°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#143E82
RGB	rgb(20, 62, 130)
HSL	hsl(217, 73%, 29%)
HSV	hsv(217, 85%, 51%)
CMYK	cmyk(84.6%, 52.3%, 0%, 49%)
CIE-LAB	lab(27.31, 12.83, -42.33)
CIE-LCH	lch(27.31, 44.23, 286.86°)
OKLab	oklab(37.75% -0.0218 -0.1219)
OKLCH	oklch(37.75% 0.124 259.8)
XYZ	xyz(6.0389, 5.2049, 21.8011)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E82 #825814

analogous

#147582 #143E82 #211482

triadic

#143E82 #82143E #3E8214

tetradic

#143E82 #821475 #825814 #148221

square

#143E82 #821475 #825814 #148221

split-complementary

#143E82 #822114 #758214

monochromatic

#040D1B #0C254D #143E82 #1C57B7 #3174DF

Accessibility & contrast

On white

10.29

#143E82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#143E82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E82

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E82	#FFFFFF	#000000	##FFFFFF
##143E82	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124684

Deuteranopia (green-blind)

#003C81

Tritanopia (blue-blind)

#004F5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #143e82;
/* rgb */ color: rgb(20, 62, 130);
/* oklch */ color: oklch(37.8% 0.124 259.8);

Tailwind

colors: {
  custom: {
    50: '#6672a7',
    500: '#143e82',
    950: '#000000',
  },
}

SCSS

$custom: #143e82;
$custom-light: #6672a7;
$custom-dark: #000000;

JSON

{
  "hex": "#143e82",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 130
  },
  "hsl": {
    "h": 217.091,
    "s": 73.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.37754,
    "c": 0.12386,
    "h": 259.8
  },
  "luminance": 0.05206
}

Semantic roles & 50–950 ramp

primary

#143E82

secondary

#B7883B

accent

#AA38F0

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #143E82

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

Preview Lab → · Contrast checker → · Palette generator →