#143C5C#143C5C

#143C5C is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.5% C 0.072 H 246.2°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX#143C5C
RGBrgb(20, 60, 92)
HSLhsl(207, 64%, 22%)
HSVhsv(207, 78%, 36%)
CMYKcmyk(78.3%, 34.8%, 0%, 63.9%)
CIE-LABlab(24.17, -1.65, -23.10)
CIE-LCHlch(24.17, 23.16, 265.92°)
OKLaboklab(34.51% -0.0288 -0.0655)
OKLCHoklch(34.51% 0.072 246.2)
XYZxyz(3.8354, 4.1527, 10.7226)
Luminance0.0415 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143C5C #5C3414
analogous
#145C58 #143C5C #14185C
triadic
#143C5C #5C143C #3C5C14
tetradic
#143C5C #58145C #5C3414 #185C14
square
#143C5C #58145C #5C3414 #185C14
split-complementary
#143C5C #5C1418 #5C5814
monochromatic
#051019 #091B2A #143C5C #1F5D8E #2A7EC1

Accessibility & contrast

On white

11.47
#143C5C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.83
#143C5C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C5C
11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143C5C#FFFFFF#000000##FFFFFF
##143C5C1.0011.471.8311.47
#FFFFFF11.471.0021.001.00
#0000001.8321.001.0021.00
##FFFFFF11.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D3D5D
Deuteranopia (green-blind)
#23365B
Tritanopia (blue-blind)
#004447
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #143c5c;
/* rgb */ color: rgb(20, 60, 92);
/* oklch */ color: oklch(34.5% 0.072 246.2);
Tailwind
colors: {
  custom: {
    50: '#5d718a',
    500: '#143c5c',
    950: '#000000',
  },
}
SCSS
$custom: #143c5c;
$custom-light: #5d718a;
$custom-dark: #000000;
JSON
{
  "hex": "#143c5c",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 92
  },
  "hsl": {
    "h": 206.667,
    "s": 64.286,
    "l": 21.961
  },
  "oklch": {
    "l": 0.3451,
    "c": 0.07157,
    "h": 246.2
  },
  "luminance": 0.04153
}

Semantic roles & 50–950 ramp

primary
#143C5C
secondary
#946138
accent
#8B41E7
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#05070B
muted
#797A7C

Preview Lab

Preview with #143C5C

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

Preview Lab → · Contrast checker → · Palette generator →

#143C5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva