#143E8E#143E8E

#143E8E is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.8% C 0.141 H 261.7°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#143E8E
RGB	rgb(20, 62, 142)
HSL	hsl(219, 75%, 32%)
HSV	hsv(219, 86%, 56%)
CMYK	cmyk(85.9%, 56.3%, 0%, 44.3%)
CIE-LAB	lab(28.24, 17.82, -48.27)
CIE-LCH	lch(28.24, 51.46, 290.26°)
OKLab	oklab(38.75% -0.0204 -0.1394)
OKLCH	oklch(38.75% 0.141 261.7)
XYZ	xyz(6.8918, 5.5461, 26.2932)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E8E #8E6414

analogous

#147B8E #143E8E #27148E

triadic

#143E8E #8E143E #3E8E14

tetradic

#143E8E #8E147B #8E6414 #148E27

square

#143E8E #8E147B #8E6414 #148E27

split-complementary

#143E8E #8E2714 #7B8E14

monochromatic

#050F23 #0C2758 #143E8E #1C55C4 #3974E3

Accessibility & contrast

On white

9.96

#143E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#143E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E8E

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E8E	#FFFFFF	#000000	##FFFFFF
##143E8E	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004891

Deuteranopia (green-blind)

#003D8C

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #143e8e;
/* rgb */ color: rgb(20, 62, 142);
/* oklch */ color: oklch(38.8% 0.141 261.7);

Tailwind

colors: {
  custom: {
    50: '#6972b0',
    500: '#143e8e',
    950: '#000000',
  },
}

SCSS

$custom: #143e8e;
$custom-light: #6972b0;
$custom-dark: #000000;

JSON

{
  "hex": "#143e8e",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 142
  },
  "hsl": {
    "h": 219.344,
    "s": 75.309,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38753,
    "c": 0.14089,
    "h": 261.7
  },
  "luminance": 0.05547
}

Semantic roles & 50–950 ramp

primary

#143E8E

secondary

#C2943C

accent

#B136F2

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #143E8E

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

Preview Lab → · Contrast checker → · Palette generator →