#37BCD7#37BCD7

#37BCD7 is a light, moderate cyan. Relative luminance 0.417; OKLCH L 73.7% C 0.116 H 214.7°. Best body text is #000000 at 9.34:1 contrast (WCAG AA passes).

Color values

HEX#37BCD7
RGBrgb(55, 188, 215)
HSLhsl(190, 67%, 53%)
HSVhsv(190, 74%, 84%)
CMYKcmyk(74.4%, 12.6%, 0%, 15.7%)
CIE-LABlab(70.65, -26.31, -23.75)
CIE-LCHlch(70.65, 35.44, 222.06°)
OKLaboklab(73.66% -0.0958 -0.0662)
OKLCHoklch(73.66% 0.116 214.7)
XYZxyz(31.8193, 41.6811, 70.6451)
Luminance0.4168 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37BCD7 #D75237
analogous
#37D7A2 #37BCD7 #376CD7
triadic
#37BCD7 #D737BC #BCD737
tetradic
#37BCD7 #A237D7 #D75237 #6CD737
square
#37BCD7 #A237D7 #D75237 #6CD737
split-complementary
#37BCD7 #D7376C #D7A237
monochromatic
#196A7B #2397AE #37BCD7 #6ACDE1 #9DDEEB

Accessibility & contrast

On white

2.25
#37BCD7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.34
#37BCD7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BCD7
9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37BCD7#FFFFFF#000000##000000
##37BCD71.002.259.349.34
#FFFFFF2.251.0021.0021.00
#0000009.3421.001.001.00
##0000009.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9B6D9
Deuteranopia (green-blind)
#93A6D7
Tritanopia (blue-blind)
#00C6C4
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #37bcd7;
/* rgb */ color: rgb(55, 188, 215);
/* oklch */ color: oklch(73.7% 0.116 214.7);
Tailwind
colors: {
  custom: {
    50: '#85d0e3',
    500: '#37bcd7',
    950: '#000000',
  },
}
SCSS
$custom: #37bcd7;
$custom-light: #85d0e3;
$custom-dark: #000000;
JSON
{
  "hex": "#37bcd7",
  "rgb": {
    "r": 55,
    "g": 188,
    "b": 215
  },
  "hsl": {
    "h": 190.125,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.73656,
    "c": 0.11647,
    "h": 214.7
  },
  "luminance": 0.41685
}

Semantic roles & 50–950 ramp

primary
#37BCD7
secondary
#D79E92
accent
#5B3EEA
background
#F9FCFD
surface
#F1F9FB
border
#CBD2D4
text
#0D1415
muted
#7E8283

Preview Lab

Preview with #37BCD7

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

Preview Lab → · Contrast checker → · Palette generator →

#37BCD7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva