#143D51#143D51

#143D51 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.057 H 233.2°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX#143D51
RGBrgb(20, 61, 81)
HSLhsl(200, 60%, 20%)
HSVhsv(200, 75%, 32%)
CMYKcmyk(75.3%, 24.7%, 0%, 68.2%)
CIE-LABlab(23.93, -6.71, -16.25)
CIE-LCHlch(23.93, 17.58, 247.57°)
OKLaboklab(34.13% -0.0341 -0.0456)
OKLCHoklch(34.13% 0.057 233.2)
XYZxyz(3.4419, 4.0799, 8.3891)
Luminance0.0408 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143D51 #512814
analogous
#145147 #143D51 #141F51
triadic
#143D51 #51143D #3D5114
tetradic
#143D51 #471451 #512814 #1F5114
square
#143D51 #471451 #512814 #1F5114
split-complementary
#143D51 #51141F #514714
monochromatic
#061219 #081820 #143D51 #206282 #2C87B3

Accessibility & contrast

On white

11.56
#143D51 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.82
#143D51 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D51
11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143D51#FFFFFF#000000##FFFFFF
##143D511.0011.561.8211.56
#FFFFFF11.561.0021.001.00
#0000001.8221.001.0021.00
##FFFFFF11.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#333C52
Deuteranopia (green-blind)
#2B3651
Tritanopia (blue-blind)
#004244
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #143d51;
/* rgb */ color: rgb(20, 61, 81);
/* oklch */ color: oklch(34.1% 0.057 233.2);
Tailwind
colors: {
  custom: {
    50: '#5a7282',
    500: '#143d51',
    950: '#000000',
  },
}
SCSS
$custom: #143d51;
$custom-light: #5a7282;
$custom-dark: #000000;
JSON
{
  "hex": "#143d51",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 81
  },
  "hsl": {
    "h": 199.672,
    "s": 60.396,
    "l": 19.804
  },
  "oklch": {
    "l": 0.34132,
    "c": 0.05696,
    "h": 233.2
  },
  "luminance": 0.0408
}

Semantic roles & 50–950 ramp

primary
#143D51
secondary
#895238
accent
#7844E4
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#04080A
muted
#797B7C

Preview Lab

Preview with #143D51

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

Preview Lab → · Contrast checker → · Palette generator →

#143D51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva