#37618D#37618D

#37618D is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 48.2% C 0.086 H 251.0°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX#37618D
RGBrgb(55, 97, 141)
HSLhsl(211, 44%, 38%)
HSVhsv(211, 61%, 55%)
CMYKcmyk(61%, 31.2%, 0%, 44.7%)
CIE-LABlab(40.05, -0.52, -28.71)
CIE-LCHlch(40.05, 28.72, 268.97°)
OKLaboklab(48.25% -0.0278 -0.0809)
OKLCHoklch(48.25% 0.086 251)
XYZxyz(10.6562, 11.2837, 26.8105)
Luminance0.1129 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37618D #8D6337
analogous
#378C8D #37618D #38378D
triadic
#37618D #8D3761 #618D37
tetradic
#37618D #8D378C #8D6337 #378D38
square
#37618D #8D378C #8D6337 #378D38
split-complementary
#37618D #8D3837 #8C8D37
monochromatic
#152435 #264361 #37618D #497FB8 #759EC9

Accessibility & contrast

On white

6.45
#37618D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.26
#37618D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37618D
6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37618D#FFFFFF#000000##FFFFFF
##37618D1.006.453.266.45
#FFFFFF6.451.0021.001.00
#0000003.2621.001.0021.00
##FFFFFF6.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E638F
Deuteranopia (green-blind)
#435B8C
Tritanopia (blue-blind)
#006B71
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #37618d;
/* rgb */ color: rgb(55, 97, 141);
/* oklch */ color: oklch(48.2% 0.086 251.0);
Tailwind
colors: {
  custom: {
    50: '#768dae',
    500: '#37618d',
    950: '#000000',
  },
}
SCSS
$custom: #37618d;
$custom-light: #768dae;
$custom-dark: #000000;
JSON
{
  "hex": "#37618d",
  "rgb": {
    "r": 55,
    "g": 97,
    "b": 141
  },
  "hsl": {
    "h": 210.698,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.48248,
    "c": 0.08558,
    "h": 251
  },
  "luminance": 0.11285
}

Semantic roles & 50–950 ramp

primary
#37618D
secondary
#B2916E
accent
#9554D4
background
#F7F8FA
surface
#EDF0F4
border
#C8CBCE
text
#090C10
muted
#7B7D7F

Preview Lab

Preview with #37618D

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

Preview Lab → · Contrast checker → · Palette generator →

#37618D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva