#143E8F#143E8F

#143E8F is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.8% C 0.142 H 261.8°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#143E8F
RGB	rgb(20, 62, 143)
HSL	hsl(220, 75%, 32%)
HSV	hsv(220, 86%, 56%)
CMYK	cmyk(86%, 56.6%, 0%, 43.9%)
CIE-LAB	lab(28.32, 18.23, -48.76)
CIE-LCH	lch(28.32, 52.06, 290.50°)
OKLab	oklab(38.84% -0.0203 -0.1408)
OKLCH	oklch(38.84% 0.142 261.8)
XYZ	xyz(6.9672, 5.5763, 26.6904)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E8F #8F6514

analogous

#147C8F #143E8F #27148F

triadic

#143E8F #8F143E #3E8F14

tetradic

#143E8F #8F147C #8F6514 #148F27

square

#143E8F #8F147C #8F6514 #148F27

split-complementary

#143E8F #8F2714 #7C8F14

monochromatic

#050F24 #0C2759 #143E8F #1C55C5 #3A74E3

Accessibility & contrast

On white

9.93

#143E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#143E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E8F

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E8F	#FFFFFF	#000000	##FFFFFF
##143E8F	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004992

Deuteranopia (green-blind)

#003D8D

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #143e8f;
/* rgb */ color: rgb(20, 62, 143);
/* oklch */ color: oklch(38.8% 0.142 261.8);

Tailwind

colors: {
  custom: {
    50: '#6a72b0',
    500: '#143e8f',
    950: '#000000',
  },
}

SCSS

$custom: #143e8f;
$custom-light: #6a72b0;
$custom-dark: #000000;

JSON

{
  "hex": "#143e8f",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 143
  },
  "hsl": {
    "h": 219.512,
    "s": 75.46,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38839,
    "c": 0.14229,
    "h": 261.8
  },
  "luminance": 0.05577
}

Semantic roles & 50–950 ramp

primary

#143E8F

secondary

#C3953C

accent

#B236F2

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080711

muted

#7A7A80

Preview Lab

Preview with #143E8F

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

Preview Lab → · Contrast checker → · Palette generator →