#37B3BF#37B3BF

#37B3BF is a light, moderate teal. Relative luminance 0.368; OKLCH L 70.5% C 0.106 H 204.5°. Best body text is #000000 at 8.36:1 contrast (WCAG AA passes).

Color values

HEX#37B3BF
RGBrgb(55, 179, 191)
HSLhsl(185, 55%, 48%)
HSVhsv(185, 71%, 75%)
CMYKcmyk(71.2%, 6.3%, 0%, 25.1%)
CIE-LABlab(67.13, -29.27, -15.90)
CIE-LCHlch(67.13, 33.31, 208.52°)
OKLaboklab(70.55% -0.0968 -0.0442)
OKLCHoklch(70.55% 0.106 204.5)
XYZxyz(27.0955, 36.8108, 54.9573)
Luminance0.3681 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B3BF #BF4337
analogous
#37BF87 #37B3BF #376FBF
triadic
#37B3BF #BF37B3 #B3BF37
tetradic
#37B3BF #8737BF #BF4337 #6FBF37
square
#37B3BF #8737BF #BF4337 #6FBF37
split-complementary
#37B3BF #BF376F #BF8737
monochromatic
#1C5A60 #29868F #37B3BF #62C8D2 #91D8DF

Accessibility & contrast

On white

2.51
#37B3BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.36
#37B3BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B3BF
8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B3BF#FFFFFF#000000##000000
##37B3BF1.002.518.368.36
#FFFFFF2.511.0021.0021.00
#0000008.3621.001.001.00
##0000008.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A4ACC0
Deuteranopia (green-blind)
#919DBF
Tritanopia (blue-blind)
#00BAB6
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #37b3bf;
/* rgb */ color: rgb(55, 179, 191);
/* oklch */ color: oklch(70.5% 0.106 204.5);
Tailwind
colors: {
  custom: {
    50: '#82cad2',
    500: '#37b3bf',
    950: '#000000',
  },
}
SCSS
$custom: #37b3bf;
$custom-light: #82cad2;
$custom-dark: #000000;
JSON
{
  "hex": "#37b3bf",
  "rgb": {
    "r": 55,
    "g": 179,
    "b": 191
  },
  "hsl": {
    "h": 185.294,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.70545,
    "c": 0.10638,
    "h": 204.5
  },
  "luminance": 0.36814
}

Semantic roles & 50–950 ramp

primary
#37B3BF
secondary
#CA8D88
accent
#5649DF
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #37B3BF

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

Preview Lab → · Contrast checker → · Palette generator →

#37B3BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva