#143D5E#143D5E

#143D5E is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.073 H 246.5°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX#143D5E
RGBrgb(20, 61, 94)
HSLhsl(207, 65%, 22%)
HSVhsv(207, 79%, 37%)
CMYKcmyk(78.7%, 35.1%, 0%, 63.1%)
CIE-LABlab(24.62, -1.51, -23.69)
CIE-LCHlch(24.62, 23.74, 266.36°)
OKLaboklab(34.9% -0.0293 -0.0672)
OKLCHoklch(34.9% 0.073 246.5)
XYZxyz(3.9768, 4.2939, 11.2067)
Luminance0.0429 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143D5E #5E3514
analogous
#145E5A #143D5E #14185E
triadic
#143D5E #5E143D #3D5E14
tetradic
#143D5E #5A145E #5E3514 #185E14
square
#143D5E #5A145E #5E3514 #185E14
split-complementary
#143D5E #5E1418 #5E5A14
monochromatic
#051019 #091C2C #143D5E #1F5E90 #297EC3

Accessibility & contrast

On white

11.30
#143D5E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#143D5E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D5E
11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143D5E#FFFFFF#000000##FFFFFF
##143D5E1.0011.301.8611.30
#FFFFFF11.301.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E3E5F
Deuteranopia (green-blind)
#23375D
Tritanopia (blue-blind)
#004549
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #143d5e;
/* rgb */ color: rgb(20, 61, 94);
/* oklch */ color: oklch(34.9% 0.073 246.5);
Tailwind
colors: {
  custom: {
    50: '#5d728c',
    500: '#143d5e',
    950: '#000000',
  },
}
SCSS
$custom: #143d5e;
$custom-light: #5d728c;
$custom-dark: #000000;
JSON
{
  "hex": "#143d5e",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 94
  },
  "hsl": {
    "h": 206.757,
    "s": 64.912,
    "l": 22.353
  },
  "oklch": {
    "l": 0.34901,
    "c": 0.07331,
    "h": 246.5
  },
  "luminance": 0.04294
}

Semantic roles & 50–950 ramp

primary
#143D5E
secondary
#966238
accent
#8B40E8
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#05070C
muted
#797A7D

Preview Lab

Preview with #143D5E

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

Preview Lab → · Contrast checker → · Palette generator →

#143D5E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva