#37B4CB#37B4CB

#37B4CB is a light, moderate teal. Relative luminance 0.378; OKLCH L 71.3% C 0.110 H 212.8°. Best body text is #000000 at 8.55:1 contrast (WCAG AA passes).

Color values

HEX#37B4CB
RGBrgb(55, 180, 203)
HSLhsl(189, 59%, 51%)
HSVhsv(189, 73%, 80%)
CMYKcmyk(72.9%, 11.3%, 0%, 20.4%)
CIE-LABlab(67.85, -26.07, -21.45)
CIE-LCHlch(67.85, 33.76, 219.44°)
OKLaboklab(71.26% -0.0928 -0.0597)
OKLCHoklch(71.26% 0.11 212.8)
XYZxyz(28.6717, 37.7631, 62.2662)
Luminance0.3777 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B4CB #CB4E37
analogous
#37CB98 #37B4CB #376ACB
triadic
#37B4CB #CB37B4 #B4CB37
tetradic
#37B4CB #9837CB #CB4E37 #6ACB37
square
#37B4CB #9837CB #CB4E37 #6ACB37
split-complementary
#37B4CB #CB376A #CB9837
monochromatic
#1C5F6C #298A9C #37B4CB #68C6D8 #98D8E4

Accessibility & contrast

On white

2.46
#37B4CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.55
#37B4CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B4CB
8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B4CB#FFFFFF#000000##000000
##37B4CB1.002.468.558.55
#FFFFFF2.461.0021.0021.00
#0000008.5521.001.001.00
##0000008.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3AECC
Deuteranopia (green-blind)
#8E9FCB
Tritanopia (blue-blind)
#00BDBB
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #37b4cb;
/* rgb */ color: rgb(55, 180, 203);
/* oklch */ color: oklch(71.3% 0.110 212.8);
Tailwind
colors: {
  custom: {
    50: '#83cada',
    500: '#37b4cb',
    950: '#000000',
  },
}
SCSS
$custom: #37b4cb;
$custom-light: #83cada;
$custom-dark: #000000;
JSON
{
  "hex": "#37b4cb",
  "rgb": {
    "r": 55,
    "g": 180,
    "b": 203
  },
  "hsl": {
    "h": 189.324,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.71255,
    "c": 0.11038,
    "h": 212.8
  },
  "luminance": 0.37767
}

Semantic roles & 50–950 ramp

primary
#37B4CB
secondary
#D0988E
accent
#5E46E2
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1315
muted
#7D8283

Preview Lab

Preview with #37B4CB

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

Preview Lab → · Contrast checker → · Palette generator →

#37B4CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva