#37B1CE#37B1CE

#37B1CE is a light, moderate cyan. Relative luminance 0.367; OKLCH L 70.7% C 0.112 H 217.4°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX#37B1CE
RGBrgb(55, 177, 206)
HSLhsl(192, 61%, 51%)
HSVhsv(192, 73%, 81%)
CMYKcmyk(73.3%, 14.1%, 0%, 19.2%)
CIE-LABlab(67.06, -23.61, -24.30)
CIE-LCHlch(67.06, 33.88, 225.83°)
OKLaboklab(70.66% -0.0887 -0.0678)
OKLCHoklch(70.66% 0.112 217.4)
XYZxyz(28.4336, 36.7094, 63.9676)
Luminance0.3671 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B1CE #CE5437
analogous
#37CE9F #37B1CE #3765CE
triadic
#37B1CE #CE37B1 #B1CE37
tetradic
#37B1CE #9F37CE #CE5437 #65CE37
square
#37B1CE #9F37CE #CE5437 #65CE37
split-complementary
#37B1CE #CE3765 #CE9F37
monochromatic
#1B5F6F #2789A0 #37B1CE #68C4DA #99D7E6

Accessibility & contrast

On white

2.52
#37B1CE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.34
#37B1CE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B1CE
8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B1CE#FFFFFF#000000##000000
##37B1CE1.002.528.348.34
#FFFFFF2.521.0021.0021.00
#0000008.3421.001.001.00
##0000008.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9EACD0
Deuteranopia (green-blind)
#899DCE
Tritanopia (blue-blind)
#00BBBA
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #37b1ce;
/* rgb */ color: rgb(55, 177, 206);
/* oklch */ color: oklch(70.7% 0.112 217.4);
Tailwind
colors: {
  custom: {
    50: '#83c8dd',
    500: '#37b1ce',
    950: '#000000',
  },
}
SCSS
$custom: #37b1ce;
$custom-light: #83c8dd;
$custom-dark: #000000;
JSON
{
  "hex": "#37b1ce",
  "rgb": {
    "r": 55,
    "g": 177,
    "b": 206
  },
  "hsl": {
    "h": 191.523,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.70657,
    "c": 0.11166,
    "h": 217.4
  },
  "luminance": 0.36713
}

Semantic roles & 50–950 ramp

primary
#37B1CE
secondary
#D29C8F
accent
#6344E4
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1315
muted
#7D8283

Preview Lab

Preview with #37B1CE

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

Preview Lab → · Contrast checker → · Palette generator →

#37B1CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva