#143D7F#143D7F

#143D7F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.3% C 0.121 H 259.7°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX#143D7F
RGBrgb(20, 61, 127)
HSLhsl(217, 73%, 29%)
HSVhsv(217, 84%, 50%)
CMYKcmyk(84.3%, 52%, 0%, 50.2%)
CIE-LABlab(26.79, 12.28, -41.30)
CIE-LCHlch(26.79, 43.09, 286.55°)
OKLaboklab(37.28% -0.0215 -0.1189)
OKLCHoklch(37.28% 0.121 259.7)
XYZxyz(5.7866, 5.0178, 20.7381)
Luminance0.0502 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143D7F #7F5614
analogous
#14737F #143D7F #20147F
triadic
#143D7F #7F143D #3D7F14
tetradic
#143D7F #7F1473 #7F5614 #147F20
square
#143D7F #7F1473 #7F5614 #147F20
split-complementary
#143D7F #7F2014 #737F14
monochromatic
#040D1A #0C244A #143D7F #1C56B4 #2F72DE

Accessibility & contrast

On white

10.48
#143D7F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.00
#143D7F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D7F
10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143D7F#FFFFFF#000000##FFFFFF
##143D7F1.0010.482.0010.48
#FFFFFF10.481.0021.001.00
#0000002.0021.001.0021.00
##FFFFFF10.481.0021.001.00

Color blindness preview

Protanopia (red-blind)
#134481
Deuteranopia (green-blind)
#003B7E
Tritanopia (blue-blind)
#004D58
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #143d7f;
/* rgb */ color: rgb(20, 61, 127);
/* oklch */ color: oklch(37.3% 0.121 259.7);
Tailwind
colors: {
  custom: {
    50: '#6571a5',
    500: '#143d7f',
    950: '#000000',
  },
}
SCSS
$custom: #143d7f;
$custom-light: #6571a5;
$custom-dark: #000000;
JSON
{
  "hex": "#143d7f",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 127
  },
  "hsl": {
    "h": 217.009,
    "s": 72.789,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37281,
    "c": 0.12085,
    "h": 259.7
  },
  "luminance": 0.05019
}

Semantic roles & 50–950 ramp

primary
#143D7F
secondary
#B4863B
accent
#A938EF
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#07070F
muted
#7A7A7F

Preview Lab

Preview with #143D7F

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

Preview Lab → · Contrast checker → · Palette generator →

#143D7F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva