#143D89#143D89

#143D89 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.135 H 261.4°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX#143D89
RGBrgb(20, 61, 137)
HSLhsl(219, 75%, 31%)
HSVhsv(219, 85%, 54%)
CMYKcmyk(85.4%, 55.5%, 0%, 46.3%)
CIE-LABlab(27.55, 16.45, -46.30)
CIE-LCHlch(27.55, 49.13, 289.56°)
OKLaboklab(38.11% -0.0202 -0.1336)
OKLCHoklch(38.11% 0.135 261.4)
XYZxyz(6.4710, 5.2916, 24.3424)
Luminance0.0529 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143D89 #896014
analogous
#147789 #143D89 #251489
triadic
#143D89 #89143D #3D8914
tetradic
#143D89 #891477 #896014 #148925
square
#143D89 #891477 #896014 #148925
split-complementary
#143D89 #892514 #778914
monochromatic
#040D1E #0C2554 #143D89 #1C55BE #3672E2

Accessibility & contrast

On white

10.20
#143D89 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.06
#143D89 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D89
10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143D89#FFFFFF#000000##FFFFFF
##143D891.0010.202.0610.20
#FFFFFF10.201.0021.001.00
#0000002.0621.001.0021.00
##FFFFFF10.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00478C
Deuteranopia (green-blind)
#003C88
Tritanopia (blue-blind)
#00505D
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #143d89;
/* rgb */ color: rgb(20, 61, 137);
/* oklch */ color: oklch(38.1% 0.135 261.4);
Tailwind
colors: {
  custom: {
    50: '#6871ac',
    500: '#143d89',
    950: '#000000',
  },
}
SCSS
$custom: #143d89;
$custom-light: #6871ac;
$custom-dark: #000000;
JSON
{
  "hex": "#143d89",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 137
  },
  "hsl": {
    "h": 218.974,
    "s": 74.522,
    "l": 30.784
  },
  "oklch": {
    "l": 0.38106,
    "c": 0.13513,
    "h": 261.4
  },
  "luminance": 0.05292
}

Semantic roles & 50–950 ramp

primary
#143D89
secondary
#BD903C
accent
#B037F1
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #143D89

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

Preview Lab → · Contrast checker → · Palette generator →

#143D89 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva