#143F75#143F75

#143F75 is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 37.0% C 0.104 H 256.1°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX#143F75
RGBrgb(20, 63, 117)
HSLhsl(213, 71%, 27%)
HSVhsv(213, 83%, 46%)
CMYKcmyk(82.9%, 46.2%, 0%, 54.1%)
CIE-LABlab(26.70, 6.68, -35.14)
CIE-LCHlch(26.70, 35.77, 280.76°)
OKLaboklab(36.99% -0.025 -0.1008)
OKLCHoklch(36.99% 0.104 256.1)
XYZxyz(5.2757, 4.9875, 17.5108)
Luminance0.0499 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143F75 #754A14
analogous
#147075 #143F75 #1A1475
triadic
#143F75 #75143F #3F7514
tetradic
#143F75 #751470 #754A14 #14751A
square
#143F75 #751470 #754A14 #14751A
split-complementary
#143F75 #751A14 #707514
monochromatic
#040E1A #0B2341 #143F75 #1D5BA9 #2978DA

Accessibility & contrast

On white

10.51
#143F75 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.00
#143F75 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F75
10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143F75#FFFFFF#000000##FFFFFF
##143F751.0010.512.0010.51
#FFFFFF10.511.0021.001.00
#0000002.0021.001.0021.00
##FFFFFF10.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#234477
Deuteranopia (green-blind)
#0F3B74
Tritanopia (blue-blind)
#004C54
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #143f75;
/* rgb */ color: rgb(20, 63, 117);
/* oklch */ color: oklch(37.0% 0.104 256.1);
Tailwind
colors: {
  custom: {
    50: '#63739d',
    500: '#143f75',
    950: '#000000',
  },
}
SCSS
$custom: #143f75;
$custom-light: #63739d;
$custom-dark: #000000;
JSON
{
  "hex": "#143f75",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 117
  },
  "hsl": {
    "h": 213.402,
    "s": 70.803,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36989,
    "c": 0.10381,
    "h": 256.1
  },
  "luminance": 0.04988
}

Semantic roles & 50–950 ramp

primary
#143F75
secondary
#AB793A
accent
#9E3AEE
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06080E
muted
#7A7B7E

Preview Lab

Preview with #143F75

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

Preview Lab → · Contrast checker → · Palette generator →

#143F75 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva