#143D87#143D87

#143D87 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.9% C 0.132 H 261.1°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX#143D87
RGBrgb(20, 61, 135)
HSLhsl(219, 74%, 30%)
HSVhsv(219, 85%, 53%)
CMYKcmyk(85.2%, 54.8%, 0%, 47.1%)
CIE-LABlab(27.39, 15.62, -45.31)
CIE-LCHlch(27.39, 47.93, 289.02°)
OKLaboklab(37.94% -0.0205 -0.1307)
OKLCHoklch(37.94% 0.132 261.1)
XYZxyz(6.3288, 5.2347, 23.5938)
Luminance0.0524 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143D87 #875E14
analogous
#147687 #143D87 #251487
triadic
#143D87 #87143D #3D8714
tetradic
#143D87 #871476 #875E14 #148725
square
#143D87 #871476 #875E14 #148725
split-complementary
#143D87 #872514 #768714
monochromatic
#040D1C #0C2552 #143D87 #1C55BC #3472E1

Accessibility & contrast

On white

10.26
#143D87 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.05
#143D87 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D87
10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143D87#FFFFFF#000000##FFFFFF
##143D871.0010.262.0510.26
#FFFFFF10.261.0021.001.00
#0000002.0521.001.0021.00
##FFFFFF10.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#02468A
Deuteranopia (green-blind)
#003C86
Tritanopia (blue-blind)
#004F5C
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #143d87;
/* rgb */ color: rgb(20, 61, 135);
/* oklch */ color: oklch(37.9% 0.132 261.1);
Tailwind
colors: {
  custom: {
    50: '#6771ab',
    500: '#143d87',
    950: '#000000',
  },
}
SCSS
$custom: #143d87;
$custom-light: #6771ab;
$custom-dark: #000000;
JSON
{
  "hex": "#143d87",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 135
  },
  "hsl": {
    "h": 218.609,
    "s": 74.194,
    "l": 30.392
  },
  "oklch": {
    "l": 0.37938,
    "c": 0.1323,
    "h": 261.1
  },
  "luminance": 0.05235
}

Semantic roles & 50–950 ramp

primary
#143D87
secondary
#BB8E3B
accent
#AF37F1
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #143D87

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

Preview Lab → · Contrast checker → · Palette generator →

#143D87 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva