#37ADC9#37ADC9

#37ADC9 is a light, moderate cyan. Relative luminance 0.349; OKLCH L 69.5% C 0.109 H 217.3°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX#37ADC9
RGBrgb(55, 173, 201)
HSLhsl(192, 57%, 50%)
HSVhsv(192, 73%, 79%)
CMYKcmyk(72.6%, 13.9%, 0%, 21.2%)
CIE-LABlab(65.68, -23.16, -23.65)
CIE-LCHlch(65.68, 33.10, 225.60°)
OKLaboklab(69.49% -0.0867 -0.066)
OKLCHoklch(69.49% 0.109 217.3)
XYZxyz(27.0573, 34.9132, 60.5599)
Luminance0.3492 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37ADC9 #C95337
analogous
#37C99C #37ADC9 #3764C9
triadic
#37ADC9 #C937AD #ADC937
tetradic
#37ADC9 #9C37C9 #C95337 #64C937
square
#37ADC9 #9C37C9 #C95337 #64C937
split-complementary
#37ADC9 #C93764 #C99C37
monochromatic
#1C5A69 #298499 #37ADC9 #67C1D6 #97D5E3

Accessibility & contrast

On white

2.63
#37ADC9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.98
#37ADC9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ADC9
7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37ADC9#FFFFFF#000000##000000
##37ADC91.002.637.987.98
#FFFFFF2.631.0021.0021.00
#0000007.9821.001.001.00
##0000007.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#9BA8CB
Deuteranopia (green-blind)
#8799C9
Tritanopia (blue-blind)
#00B7B6
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #37adc9;
/* rgb */ color: rgb(55, 173, 201);
/* oklch */ color: oklch(69.5% 0.109 217.3);
Tailwind
colors: {
  custom: {
    50: '#82c5d9',
    500: '#37adc9',
    950: '#000000',
  },
}
SCSS
$custom: #37adc9;
$custom-light: #82c5d9;
$custom-dark: #000000;
JSON
{
  "hex": "#37adc9",
  "rgb": {
    "r": 55,
    "g": 173,
    "b": 201
  },
  "hsl": {
    "h": 191.507,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.69489,
    "c": 0.10899,
    "h": 217.3
  },
  "luminance": 0.34916
}

Semantic roles & 50–950 ramp

primary
#37ADC9
secondary
#CF9A8D
accent
#6547E1
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1314
muted
#7D8283

Preview Lab

Preview with #37ADC9

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

Preview Lab → · Contrast checker → · Palette generator →

#37ADC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva