#37879D#37879D

#37879D is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.3% C 0.084 H 219.0°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX#37879D
RGBrgb(55, 135, 157)
HSLhsl(193, 48%, 42%)
HSVhsv(193, 65%, 62%)
CMYKcmyk(65%, 14%, 0%, 38.4%)
CIE-LABlab(52.48, -17.25, -18.94)
CIE-LCHlch(52.48, 25.61, 227.68°)
OKLaboklab(58.34% -0.065 -0.0527)
OKLCHoklch(58.34% 0.084 219)
XYZxyz(16.3229, 20.5728, 35.0025)
Luminance0.2057 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37879D #9D4D37
analogous
#379D80 #37879D #37549D
triadic
#37879D #9D3787 #879D37
tetradic
#37879D #80379D #9D4D37 #549D37
square
#37879D #80379D #9D4D37 #549D37
split-complementary
#37879D #9D3754 #9D8037
monochromatic
#173942 #276070 #37879D #50A9C2 #7DBFD1

Accessibility & contrast

On white

4.11
#37879D on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.11
#37879D on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37879D
5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37879D#FFFFFF#000000##000000
##37879D1.004.115.115.11
#FFFFFF4.111.0021.0021.00
#0000005.1121.001.001.00
##0000005.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#79839E
Deuteranopia (green-blind)
#6B799D
Tritanopia (blue-blind)
#008E8E
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #37879d;
/* rgb */ color: rgb(55, 135, 157);
/* oklch */ color: oklch(58.3% 0.084 219.0);
Tailwind
colors: {
  custom: {
    50: '#7aaaba',
    500: '#37879d',
    950: '#000000',
  },
}
SCSS
$custom: #37879d;
$custom-light: #7aaaba;
$custom-dark: #000000;
JSON
{
  "hex": "#37879d",
  "rgb": {
    "r": 55,
    "g": 135,
    "b": 157
  },
  "hsl": {
    "h": 192.941,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.58343,
    "c": 0.08368,
    "h": 219
  },
  "luminance": 0.20574
}

Semantic roles & 50–950 ramp

primary
#37879D
secondary
#BB8475
accent
#6D50D8
background
#F7FAFB
surface
#EEF4F6
border
#C9CED0
text
#0A1011
muted
#7C7F80

Preview Lab

Preview with #37879D

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

Preview Lab → · Contrast checker → · Palette generator →

#37879D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva