#37819D#37819D

#37819D is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.9% C 0.084 H 226.2°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX#37819D
RGBrgb(55, 129, 157)
HSLhsl(196, 48%, 42%)
HSVhsv(196, 65%, 62%)
CMYKcmyk(65%, 17.8%, 0%, 38.4%)
CIE-LABlab(50.62, -13.94, -21.78)
CIE-LCHlch(50.62, 25.87, 237.38°)
OKLaboklab(56.86% -0.0584 -0.0608)
OKLCHoklch(56.86% 0.084 226.2)
XYZxyz(15.5092, 18.9454, 34.7312)
Luminance0.1895 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37819D #9D5337
analogous
#379D86 #37819D #374E9D
triadic
#37819D #9D3781 #819D37
tetradic
#37819D #86379D #9D5337 #4E9D37
square
#37819D #86379D #9D5337 #4E9D37
split-complementary
#37819D #9D374E #9D8637
monochromatic
#173742 #275C70 #37819D #50A2C2 #7DBAD1

Accessibility & contrast

On white

4.38
#37819D on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.79
#37819D on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37819D
4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37819D#FFFFFF#000000##000000
##37819D1.004.384.794.79
#FFFFFF4.381.0021.0021.00
#0000004.7921.001.001.00
##0000004.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#727F9E
Deuteranopia (green-blind)
#64749D
Tritanopia (blue-blind)
#00898A
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #37819d;
/* rgb */ color: rgb(55, 129, 157);
/* oklch */ color: oklch(56.9% 0.084 226.2);
Tailwind
colors: {
  custom: {
    50: '#79a5ba',
    500: '#37819d',
    950: '#000000',
  },
}
SCSS
$custom: #37819d;
$custom-light: #79a5ba;
$custom-dark: #000000;
JSON
{
  "hex": "#37819d",
  "rgb": {
    "r": 55,
    "g": 129,
    "b": 157
  },
  "hsl": {
    "h": 196.471,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.56859,
    "c": 0.08433,
    "h": 226.2
  },
  "luminance": 0.18947
}

Semantic roles & 50–950 ramp

primary
#37819D
secondary
#BB8875
accent
#7550D8
background
#F7FAFB
surface
#EEF4F6
border
#C9CED0
text
#0A0F11
muted
#7C7F80

Preview Lab

Preview with #37819D

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

Preview Lab → · Contrast checker → · Palette generator →

#37819D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva