#143C77#143C77

#143C77 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.111 H 258.5°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX#143C77
RGBrgb(20, 60, 119)
HSLhsl(216, 71%, 27%)
HSVhsv(216, 83%, 47%)
CMYKcmyk(83.2%, 49.6%, 0%, 53.3%)
CIE-LABlab(25.90, 9.62, -37.70)
CIE-LCHlch(25.90, 38.91, 284.32°)
OKLaboklab(36.41% -0.022 -0.1083)
OKLCHoklch(36.41% 0.111 258.5)
XYZxyz(5.2329, 4.7117, 18.0828)
Luminance0.0471 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143C77 #774F14
analogous
#146D77 #143C77 #1E1477
triadic
#143C77 #77143C #3C7714
tetradic
#143C77 #77146D #774F14 #14771E
square
#143C77 #77146D #774F14 #14771E
split-complementary
#143C77 #771E14 #6D7714
monochromatic
#040D1A #0B2243 #143C77 #1D56AB #2A72DB

Accessibility & contrast

On white

10.81
#143C77 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.94
#143C77 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C77
10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143C77#FFFFFF#000000##FFFFFF
##143C771.0010.811.9410.81
#FFFFFF10.811.0021.001.00
#0000001.9421.001.0021.00
##FFFFFF10.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1B4279
Deuteranopia (green-blind)
#003976
Tritanopia (blue-blind)
#004A53
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #143c77;
/* rgb */ color: rgb(20, 60, 119);
/* oklch */ color: oklch(36.4% 0.111 258.5);
Tailwind
colors: {
  custom: {
    50: '#63719f',
    500: '#143c77',
    950: '#000000',
  },
}
SCSS
$custom: #143c77;
$custom-light: #63719f;
$custom-dark: #000000;
JSON
{
  "hex": "#143c77",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 119
  },
  "hsl": {
    "h": 215.758,
    "s": 71.223,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36414,
    "c": 0.11054,
    "h": 258.5
  },
  "luminance": 0.04712
}

Semantic roles & 50–950 ramp

primary
#143C77
secondary
#AD7E3A
accent
#A53AEE
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #143C77

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

Preview Lab → · Contrast checker → · Palette generator →

#143C77 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva