#37638D#37638D

#37638D is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.7% C 0.084 H 248.9°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX#37638D
RGBrgb(55, 99, 141)
HSLhsl(209, 44%, 38%)
HSVhsv(209, 61%, 55%)
CMYKcmyk(61%, 29.8%, 0%, 44.7%)
CIE-LABlab(40.67, -1.76, -27.75)
CIE-LCHlch(40.67, 27.81, 266.38°)
OKLaboklab(48.73% -0.0302 -0.0781)
OKLCHoklch(48.73% 0.084 248.9)
XYZxyz(10.8434, 11.6580, 26.8729)
Luminance0.1166 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37638D #8D6137
analogous
#378D8C #37638D #37388D
triadic
#37638D #8D3763 #638D37
tetradic
#37638D #8C378D #8D6137 #388D37
square
#37638D #8C378D #8D6137 #388D37
split-complementary
#37638D #8D3738 #8D8C37
monochromatic
#152535 #264461 #37638D #4982B8 #75A0C9

Accessibility & contrast

On white

6.30
#37638D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.33
#37638D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37638D
6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37638D#FFFFFF#000000##FFFFFF
##37638D1.006.303.336.30
#FFFFFF6.301.0021.001.00
#0000003.3321.001.0021.00
##FFFFFF6.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#51658F
Deuteranopia (green-blind)
#465C8C
Tritanopia (blue-blind)
#006D72
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #37638d;
/* rgb */ color: rgb(55, 99, 141);
/* oklch */ color: oklch(48.7% 0.084 248.9);
Tailwind
colors: {
  custom: {
    50: '#768fae',
    500: '#37638d',
    950: '#000000',
  },
}
SCSS
$custom: #37638d;
$custom-light: #768fae;
$custom-dark: #000000;
JSON
{
  "hex": "#37638d",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 141
  },
  "hsl": {
    "h": 209.302,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.4873,
    "c": 0.08376,
    "h": 248.9
  },
  "luminance": 0.11659
}

Semantic roles & 50–950 ramp

primary
#37638D
secondary
#B28F6E
accent
#9254D4
background
#F7F8FA
surface
#EDF0F4
border
#C8CBCE
text
#090C10
muted
#7B7D7F

Preview Lab

Preview with #37638D

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

Preview Lab → · Contrast checker → · Palette generator →

#37638D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva