#143C75#143C75

#143C75 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.108 H 258.0°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX#143C75
RGBrgb(20, 60, 117)
HSLhsl(215, 71%, 27%)
HSVhsv(215, 83%, 46%)
CMYKcmyk(82.9%, 48.7%, 0%, 54.1%)
CIE-LABlab(25.76, 8.78, -36.66)
CIE-LCHlch(25.76, 37.69, 283.47°)
OKLaboklab(36.26% -0.0224 -0.1053)
OKLCHoklch(36.26% 0.108 258)
XYZxyz(5.1141, 4.6642, 17.4569)
Luminance0.0466 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143C75 #754D14
analogous
#146D75 #143C75 #1D1475
triadic
#143C75 #75143C #3C7514
tetradic
#143C75 #75146D #754D14 #14751D
square
#143C75 #75146D #754D14 #14751D
split-complementary
#143C75 #751D14 #6D7514
monochromatic
#040D1A #0B2141 #143C75 #1D57A9 #2972DA

Accessibility & contrast

On white

10.86
#143C75 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#143C75 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C75
10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143C75#FFFFFF#000000##FFFFFF
##143C751.0010.861.9310.86
#FFFFFF10.861.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1D4277
Deuteranopia (green-blind)
#033974
Tritanopia (blue-blind)
#004A52
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #143c75;
/* rgb */ color: rgb(20, 60, 117);
/* oklch */ color: oklch(36.3% 0.108 258.0);
Tailwind
colors: {
  custom: {
    50: '#63719d',
    500: '#143c75',
    950: '#000000',
  },
}
SCSS
$custom: #143c75;
$custom-light: #63719d;
$custom-dark: #000000;
JSON
{
  "hex": "#143c75",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 117
  },
  "hsl": {
    "h": 215.258,
    "s": 70.803,
    "l": 26.863
  },
  "oklch": {
    "l": 0.3626,
    "c": 0.10762,
    "h": 258
  },
  "luminance": 0.04665
}

Semantic roles & 50–950 ramp

primary
#143C75
secondary
#AB7C3A
accent
#A43AEE
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #143C75

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

Preview Lab → · Contrast checker → · Palette generator →

#143C75 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva