#143C4D#143C4D

#143C4D is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.053 H 229.5°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX#143C4D
RGBrgb(20, 60, 77)
HSLhsl(198, 59%, 19%)
HSVhsv(198, 74%, 30%)
CMYKcmyk(74%, 22.1%, 0%, 69.8%)
CIE-LABlab(23.39, -7.61, -14.45)
CIE-LCHlch(23.39, 16.33, 242.21°)
OKLaboklab(33.64% -0.0346 -0.0405)
OKLCHoklch(33.64% 0.053 229.5)
XYZxyz(3.2434, 3.9159, 7.6047)
Luminance0.0392 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143C4D #4D2514
analogous
#144D42 #143C4D #14204D
triadic
#143C4D #4D143C #3C4D14
tetradic
#143C4D #42144D #4D2514 #204D14
square
#143C4D #42144D #4D2514 #204D14
split-complementary
#143C4D #4D1420 #4D4214
monochromatic
#061318 #07161C #143C4D #21627E #2D88AE

Accessibility & contrast

On white

11.78
#143C4D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#143C4D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C4D
11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143C4D#FFFFFF#000000##FFFFFF
##143C4D1.0011.781.7811.78
#FFFFFF11.781.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#333B4E
Deuteranopia (green-blind)
#2B354D
Tritanopia (blue-blind)
#004142
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #143c4d;
/* rgb */ color: rgb(20, 60, 77);
/* oklch */ color: oklch(33.6% 0.053 229.5);
Tailwind
colors: {
  custom: {
    50: '#5a717e',
    500: '#143c4d',
    950: '#000000',
  },
}
SCSS
$custom: #143c4d;
$custom-light: #5a717e;
$custom-dark: #000000;
JSON
{
  "hex": "#143c4d",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 77
  },
  "hsl": {
    "h": 197.895,
    "s": 58.763,
    "l": 19.02
  },
  "oklch": {
    "l": 0.33636,
    "c": 0.05322,
    "h": 229.5
  },
  "luminance": 0.03916
}

Semantic roles & 50–950 ramp

primary
#143C4D
secondary
#854F38
accent
#7446E2
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#04070A
muted
#797A7C

Preview Lab

Preview with #143C4D

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

Preview Lab → · Contrast checker → · Palette generator →

#143C4D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva