#37758C#37758C

#37758C is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.1% C 0.073 H 225.1°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX#37758C
RGBrgb(55, 117, 140)
HSLhsl(196, 44%, 38%)
HSVhsv(196, 61%, 55%)
CMYKcmyk(60.7%, 16.4%, 0%, 45.1%)
CIE-LABlab(46.21, -12.75, -18.57)
CIE-LCHlch(46.21, 22.52, 235.51°)
OKLaboklab(53.11% -0.0516 -0.0517)
OKLCHoklch(53.11% 0.073 225.1)
XYZxyz(12.6686, 15.4270, 27.1159)
Luminance0.1543 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37758C #8C4E37
analogous
#378C78 #37758C #374A8C
triadic
#37758C #8C3775 #758C37
tetradic
#37758C #78378C #8C4E37 #4A8C37
square
#37758C #78378C #8C4E37 #4A8C37
split-complementary
#37758C #8C374A #8C7837
monochromatic
#142C34 #265060 #37758C #4999B7 #75B2C9

Accessibility & contrast

On white

5.14
#37758C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.09
#37758C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37758C
5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37758C#FFFFFF#000000##FFFFFF
##37758C1.005.144.095.14
#FFFFFF5.141.0021.001.00
#0000004.0921.001.0021.00
##FFFFFF5.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#68738D
Deuteranopia (green-blind)
#5C6A8C
Tritanopia (blue-blind)
#007C7C
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #37758c;
/* rgb */ color: rgb(55, 117, 140);
/* oklch */ color: oklch(53.1% 0.073 225.1);
Tailwind
colors: {
  custom: {
    50: '#769cad',
    500: '#37758c',
    950: '#000000',
  },
}
SCSS
$custom: #37758c;
$custom-light: #769cad;
$custom-dark: #000000;
JSON
{
  "hex": "#37758c",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 140
  },
  "hsl": {
    "h": 196.235,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.53112,
    "c": 0.07302,
    "h": 225.1
  },
  "luminance": 0.15428
}

Semantic roles & 50–950 ramp

primary
#37758C
secondary
#B1806D
accent
#7754D3
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#090E10
muted
#7B7E7F

Preview Lab

Preview with #37758C

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

Preview Lab → · Contrast checker → · Palette generator →

#37758C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva