#143E8D#143E8D

#143E8D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.139 H 261.5°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#143E8D
RGB	rgb(20, 62, 141)
HSL	hsl(219, 75%, 32%)
HSV	hsv(219, 86%, 55%)
CMYK	cmyk(85.8%, 56%, 0%, 44.7%)
CIE-LAB	lab(28.16, 17.41, -47.79)
CIE-LCH	lch(28.16, 50.86, 290.02°)
OKLab	oklab(38.67% -0.0205 -0.138)
OKLCH	oklch(38.67% 0.139 261.5)
XYZ	xyz(6.8171, 5.5162, 25.8996)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E8D #8D6314

analogous

#147B8D #143E8D #27148D

triadic

#143E8D #8D143E #3E8D14

tetradic

#143E8D #8D147B #8D6314 #148D27

square

#143E8D #8D147B #8D6314 #148D27

split-complementary

#143E8D #8D2714 #7B8D14

monochromatic

#050F22 #0C2657 #143E8D #1C56C3 #3974E3

Accessibility & contrast

On white

9.98

#143E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#143E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E8D

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E8D	#FFFFFF	#000000	##FFFFFF
##143E8D	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004890

Deuteranopia (green-blind)

#003D8B

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #143e8d;
/* rgb */ color: rgb(20, 62, 141);
/* oklch */ color: oklch(38.7% 0.139 261.5);

Tailwind

colors: {
  custom: {
    50: '#6972af',
    500: '#143e8d',
    950: '#000000',
  },
}

SCSS

$custom: #143e8d;
$custom-light: #6972af;
$custom-dark: #000000;

JSON

{
  "hex": "#143e8d",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 141
  },
  "hsl": {
    "h": 219.174,
    "s": 75.155,
    "l": 31.569
  },
  "oklch": {
    "l": 0.38667,
    "c": 0.13949,
    "h": 261.5
  },
  "luminance": 0.05517
}

Semantic roles & 50–950 ramp

primary

#143E8D

secondary

#C1933C

accent

#B136F2

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #143E8D

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

Preview Lab → · Contrast checker → · Palette generator →