#143E7C#143E7C

#143E7C is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.3% C 0.115 H 258.6°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX#143E7C
RGBrgb(20, 62, 124)
HSLhsl(216, 72%, 28%)
HSVhsv(216, 84%, 49%)
CMYKcmyk(83.9%, 50%, 0%, 51.4%)
CIE-LABlab(26.87, 10.32, -39.28)
CIE-LCHlch(26.87, 40.61, 284.72°)
OKLaboklab(37.28% -0.0228 -0.1129)
OKLCHoklch(37.28% 0.115 258.6)
XYZxyz(5.6479, 5.0485, 19.7417)
Luminance0.0505 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143E7C #7C5214
analogous
#14727C #143E7C #1E147C
triadic
#143E7C #7C143E #3E7C14
tetradic
#143E7C #7C1472 #7C5214 #147C1E
square
#143E7C #7C1472 #7C5214 #147C1E
split-complementary
#143E7C #7C1E14 #727C14
monochromatic
#040D1A #0B2447 #143E7C #1D58B1 #2D74DD

Accessibility & contrast

On white

10.45
#143E7C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.01
#143E7C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E7C
10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143E7C#FFFFFF#000000##FFFFFF
##143E7C1.0010.452.0110.45
#FFFFFF10.451.0021.001.00
#0000002.0121.001.0021.00
##FFFFFF10.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A457E
Deuteranopia (green-blind)
#003B7B
Tritanopia (blue-blind)
#004D57
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #143e7c;
/* rgb */ color: rgb(20, 62, 124);
/* oklch */ color: oklch(37.3% 0.115 258.6);
Tailwind
colors: {
  custom: {
    50: '#6472a2',
    500: '#143e7c',
    950: '#000000',
  },
}
SCSS
$custom: #143e7c;
$custom-light: #6472a2;
$custom-dark: #000000;
JSON
{
  "hex": "#143e7c",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 124
  },
  "hsl": {
    "h": 215.769,
    "s": 72.222,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37279,
    "c": 0.11522,
    "h": 258.6
  },
  "luminance": 0.05049
}

Semantic roles & 50–950 ramp

primary
#143E7C
secondary
#B2813A
accent
#A539EF
background
#F6F6FA
surface
#EBECF3
border
#C6C7CD
text
#06070F
muted
#7A7A7F

Preview Lab

Preview with #143E7C

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

Preview Lab → · Contrast checker → · Palette generator →

#143E7C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva