#37B1BC#37B1BC

#37B1BC is a light, moderate teal. Relative luminance 0.359; OKLCH L 69.9% C 0.105 H 203.9°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX#37B1BC
RGBrgb(55, 177, 188)
HSLhsl(185, 55%, 48%)
HSVhsv(185, 71%, 74%)
CMYKcmyk(70.7%, 5.9%, 0%, 26.3%)
CIE-LABlab(66.43, -29.20, -15.31)
CIE-LCHlch(66.43, 32.97, 207.66°)
OKLaboklab(69.94% -0.096 -0.0425)
OKLCHoklch(69.94% 0.105 203.9)
XYZxyz(26.3708, 35.8843, 53.1037)
Luminance0.3589 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B1BC #BC4237
analogous
#37BC84 #37B1BC #376FBC
triadic
#37B1BC #BC37B1 #B1BC37
tetradic
#37B1BC #8437BC #BC4237 #6FBC37
square
#37B1BC #8437BC #BC4237 #6FBC37
split-complementary
#37B1BC #BC376F #BC8437
monochromatic
#1B585D #29848D #37B1BC #60C7D0 #8FD8DE

Accessibility & contrast

On white

2.57
#37B1BC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.18
#37B1BC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B1BC
8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B1BC#FFFFFF#000000##000000
##37B1BC1.002.578.188.18
#FFFFFF2.571.0021.0021.00
#0000008.1821.001.001.00
##0000008.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3AABD
Deuteranopia (green-blind)
#909CBC
Tritanopia (blue-blind)
#00B8B4
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #37b1bc;
/* rgb */ color: rgb(55, 177, 188);
/* oklch */ color: oklch(69.9% 0.105 203.9);
Tailwind
colors: {
  custom: {
    50: '#81c8d0',
    500: '#37b1bc',
    950: '#000000',
  },
}
SCSS
$custom: #37b1bc;
$custom-light: #81c8d0;
$custom-dark: #000000;
JSON
{
  "hex": "#37b1bc",
  "rgb": {
    "r": 55,
    "g": 177,
    "b": 188
  },
  "hsl": {
    "h": 184.962,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.69943,
    "c": 0.10502,
    "h": 203.9
  },
  "luminance": 0.35887
}

Semantic roles & 50–950 ramp

primary
#37B1BC
secondary
#C98B86
accent
#564ADE
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #37B1BC

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

Preview Lab → · Contrast checker → · Palette generator →

#37B1BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva