#37B1C4#37B1C4

#37B1C4 is a light, moderate teal. Relative luminance 0.362; OKLCH L 70.3% C 0.107 H 210.1°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX#37B1C4
RGBrgb(55, 177, 196)
HSLhsl(188, 56%, 49%)
HSVhsv(188, 72%, 77%)
CMYKcmyk(71.9%, 9.7%, 0%, 23.1%)
CIE-LABlab(66.70, -26.75, -19.32)
CIE-LCHlch(66.70, 33.00, 215.84°)
OKLaboklab(70.25% -0.0927 -0.0538)
OKLCHoklch(70.25% 0.107 210.1)
XYZxyz(27.2572, 36.2388, 57.7721)
Luminance0.3624 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B1C4 #C44A37
analogous
#37C491 #37B1C4 #376BC4
triadic
#37B1C4 #C437B1 #B1C437
tetradic
#37B1C4 #9137C4 #C44A37 #6BC437
square
#37B1C4 #9137C4 #C44A37 #6BC437
split-complementary
#37B1C4 #C4376B #C49137
monochromatic
#1C5B64 #2A8694 #37B1C4 #65C5D4 #94D7E1

Accessibility & contrast

On white

2.55
#37B1C4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.25
#37B1C4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B1C4
8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B1C4#FFFFFF#000000##000000
##37B1C41.002.558.258.25
#FFFFFF2.551.0021.0021.00
#0000008.2521.001.001.00
##0000008.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A1ABC5
Deuteranopia (green-blind)
#8D9CC4
Tritanopia (blue-blind)
#00B9B7
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #37b1c4;
/* rgb */ color: rgb(55, 177, 196);
/* oklch */ color: oklch(70.3% 0.107 210.1);
Tailwind
colors: {
  custom: {
    50: '#82c8d5',
    500: '#37b1c4',
    950: '#000000',
  },
}
SCSS
$custom: #37b1c4;
$custom-light: #82c8d5;
$custom-dark: #000000;
JSON
{
  "hex": "#37b1c4",
  "rgb": {
    "r": 55,
    "g": 177,
    "b": 196
  },
  "hsl": {
    "h": 188.085,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.70252,
    "c": 0.10716,
    "h": 210.1
  },
  "luminance": 0.36242
}

Semantic roles & 50–950 ramp

primary
#37B1C4
secondary
#CC938B
accent
#5D48DF
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1314
muted
#7D8283

Preview Lab

Preview with #37B1C4

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

Preview Lab → · Contrast checker → · Palette generator →

#37B1C4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva