#143E8C#143E8C

#143E8C is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.138 H 261.4°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX#143E8C
RGBrgb(20, 62, 140)
HSLhsl(219, 75%, 31%)
HSVhsv(219, 86%, 55%)
CMYKcmyk(85.7%, 55.7%, 0%, 45.1%)
CIE-LABlab(28.08, 16.99, -47.30)
CIE-LCHlch(28.08, 50.26, 289.76°)
OKLaboklab(38.58% -0.0206 -0.1365)
OKLCHoklch(38.58% 0.138 261.4)
XYZxyz(6.7430, 5.4866, 25.5095)
Luminance0.0549 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143E8C #8C6214
analogous
#147A8C #143E8C #26148C
triadic
#143E8C #8C143E #3E8C14
tetradic
#143E8C #8C147A #8C6214 #148C26
square
#143E8C #8C147A #8C6214 #148C26
split-complementary
#143E8C #8C2614 #7A8C14
monochromatic
#050F21 #0C2656 #143E8C #1C56C2 #3874E3

Accessibility & contrast

On white

10.01
#143E8C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.10
#143E8C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E8C
10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143E8C#FFFFFF#000000##FFFFFF
##143E8C1.0010.012.1010.01
#FFFFFF10.011.0021.001.00
#0000002.1021.001.0021.00
##FFFFFF10.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00488F
Deuteranopia (green-blind)
#003D8A
Tritanopia (blue-blind)
#00515E
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #143e8c;
/* rgb */ color: rgb(20, 62, 140);
/* oklch */ color: oklch(38.6% 0.138 261.4);
Tailwind
colors: {
  custom: {
    50: '#6972ae',
    500: '#143e8c',
    950: '#000000',
  },
}
SCSS
$custom: #143e8c;
$custom-light: #6972ae;
$custom-dark: #000000;
JSON
{
  "hex": "#143e8c",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 140
  },
  "hsl": {
    "h": 219,
    "s": 75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.38582,
    "c": 0.13808,
    "h": 261.4
  },
  "luminance": 0.05487
}

Semantic roles & 50–950 ramp

primary
#143E8C
secondary
#C0923C
accent
#B036F2
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #143E8C

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

Preview Lab → · Contrast checker → · Palette generator →

#143E8C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva