#37A2BE#37A2BE

#37A2BE is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.4% C 0.103 H 219.0°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX#37A2BE
RGBrgb(55, 162, 190)
HSLhsl(192, 55%, 48%)
HSVhsv(192, 71%, 75%)
CMYKcmyk(71.1%, 14.7%, 0%, 25.5%)
CIE-LABlab(61.97, -20.99, -23.20)
CIE-LCHlch(61.97, 31.29, 227.87°)
OKLaboklab(66.37% -0.0801 -0.0648)
OKLCHoklch(66.37% 0.103 219)
XYZxyz(23.7863, 30.3679, 53.3132)
Luminance0.3037 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37A2BE #BE5337
analogous
#37BE96 #37A2BE #375FBE
triadic
#37A2BE #BE37A2 #A2BE37
tetradic
#37A2BE #9637BE #BE5337 #5FBE37
square
#37A2BE #9637BE #BE5337 #5FBE37
split-complementary
#37A2BE #BE375F #BE9637
monochromatic
#1C515F #297A8F #37A2BE #61BAD1 #90CFDF

Accessibility & contrast

On white

2.97
#37A2BE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.07
#37A2BE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A2BE
7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37A2BE#FFFFFF#000000##000000
##37A2BE1.002.977.077.07
#FFFFFF2.971.0021.0021.00
#0000007.0721.001.001.00
##0000007.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#909EC0
Deuteranopia (green-blind)
#7E90BE
Tritanopia (blue-blind)
#00ABAB
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #37a2be;
/* rgb */ color: rgb(55, 162, 190);
/* oklch */ color: oklch(66.4% 0.103 219.0);
Tailwind
colors: {
  custom: {
    50: '#80bdd1',
    500: '#37a2be',
    950: '#000000',
  },
}
SCSS
$custom: #37a2be;
$custom-light: #80bdd1;
$custom-dark: #000000;
JSON
{
  "hex": "#37a2be",
  "rgb": {
    "r": 55,
    "g": 162,
    "b": 190
  },
  "hsl": {
    "h": 192.444,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.66372,
    "c": 0.10301,
    "h": 219
  },
  "luminance": 0.30371
}

Semantic roles & 50–950 ramp

primary
#37A2BE
secondary
#CA9587
accent
#6849DE
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1214
muted
#7D8182

Preview Lab

Preview with #37A2BE

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

Preview Lab → · Contrast checker → · Palette generator →

#37A2BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva