#143780#143780

#143780 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.0% C 0.130 H 262.5°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX#143780
RGBrgb(20, 55, 128)
HSLhsl(221, 73%, 29%)
HSVhsv(221, 84%, 50%)
CMYKcmyk(84.4%, 57%, 0%, 49.8%)
CIE-LABlab(25.07, 16.94, -44.71)
CIE-LCHlch(25.07, 47.81, 290.75°)
OKLaboklab(36% -0.0169 -0.129)
OKLCHoklch(36% 0.13 262.5)
XYZxyz(5.5496, 4.4389, 20.9822)
Luminance0.0444 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143780 #805D14
analogous
#146D80 #143780 #271480
triadic
#143780 #801437 #378014
tetradic
#143780 #80146D #805D14 #148027
square
#143780 #80146D #805D14 #148027
split-complementary
#143780 #802714 #6D8014
monochromatic
#040B1A #0C204B #143780 #1C4EB5 #3068DF

Accessibility & contrast

On white

11.12
#143780 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.89
#143780 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143780
11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143780#FFFFFF#000000##FFFFFF
##1437801.0011.121.8911.12
#FFFFFF11.121.0021.001.00
#0000001.8921.001.0021.00
##FFFFFF11.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004183
Deuteranopia (green-blind)
#00377F
Tritanopia (blue-blind)
#004956
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #143780;
/* rgb */ color: rgb(20, 55, 128);
/* oklch */ color: oklch(36.0% 0.130 262.5);
Tailwind
colors: {
  custom: {
    50: '#666da5',
    500: '#143780',
    950: '#000000',
  },
}
SCSS
$custom: #143780;
$custom-light: #666da5;
$custom-dark: #000000;
JSON
{
  "hex": "#143780",
  "rgb": {
    "r": 20,
    "g": 55,
    "b": 128
  },
  "hsl": {
    "h": 220.556,
    "s": 72.973,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36002,
    "c": 0.13015,
    "h": 262.5
  },
  "luminance": 0.0444
}

Semantic roles & 50–950 ramp

primary
#143780
secondary
#B58D3B
accent
#B438F0
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#07070F
muted
#7A7A7F

Preview Lab

Preview with #143780

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

Preview Lab → · Contrast checker → · Palette generator →

#143780 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva