#37B3CB#37B3CB

#37B3CB is a light, moderate teal. Relative luminance 0.374; OKLCH L 71.0% C 0.110 H 213.6°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX#37B3CB
RGBrgb(55, 179, 203)
HSLhsl(190, 59%, 51%)
HSVhsv(190, 73%, 80%)
CMYKcmyk(72.9%, 11.8%, 0%, 20.4%)
CIE-LABlab(67.55, -25.57, -21.90)
CIE-LCHlch(67.55, 33.67, 220.58°)
OKLaboklab(71.01% -0.0918 -0.061)
OKLCHoklch(71.01% 0.11 213.6)
XYZxyz(28.4705, 37.3609, 62.1992)
Luminance0.3736 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B3CB #CB4F37
analogous
#37CB99 #37B3CB #3769CB
triadic
#37B3CB #CB37B3 #B3CB37
tetradic
#37B3CB #9937CB #CB4F37 #69CB37
square
#37B3CB #9937CB #CB4F37 #69CB37
split-complementary
#37B3CB #CB3769 #CB9937
monochromatic
#1C5F6C #29899C #37B3CB #68C5D8 #98D8E4

Accessibility & contrast

On white

2.48
#37B3CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.47
#37B3CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B3CB
8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B3CB#FFFFFF#000000##000000
##37B3CB1.002.488.478.47
#FFFFFF2.481.0021.0021.00
#0000008.4721.001.001.00
##0000008.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A1ADCC
Deuteranopia (green-blind)
#8D9ECB
Tritanopia (blue-blind)
#00BCBA
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #37b3cb;
/* rgb */ color: rgb(55, 179, 203);
/* oklch */ color: oklch(71.0% 0.110 213.6);
Tailwind
colors: {
  custom: {
    50: '#83cada',
    500: '#37b3cb',
    950: '#000000',
  },
}
SCSS
$custom: #37b3cb;
$custom-light: #83cada;
$custom-dark: #000000;
JSON
{
  "hex": "#37b3cb",
  "rgb": {
    "r": 55,
    "g": 179,
    "b": 203
  },
  "hsl": {
    "h": 189.73,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.71014,
    "c": 0.11027,
    "h": 213.6
  },
  "luminance": 0.37364
}

Semantic roles & 50–950 ramp

primary
#37B3CB
secondary
#D0998E
accent
#5F46E2
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1315
muted
#7D8283

Preview Lab

Preview with #37B3CB

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

Preview Lab → · Contrast checker → · Palette generator →

#37B3CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva