#37A2BD#37A2BD

#37A2BD is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.3% C 0.102 H 218.2°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX#37A2BD
RGBrgb(55, 162, 189)
HSLhsl(192, 55%, 48%)
HSVhsv(192, 71%, 74%)
CMYKcmyk(70.9%, 14.3%, 0%, 25.9%)
CIE-LABlab(61.93, -21.31, -22.70)
CIE-LCHlch(61.93, 31.14, 226.81°)
OKLaboklab(66.33% -0.0805 -0.0633)
OKLCHoklch(66.33% 0.102 218.2)
XYZxyz(23.6774, 30.3243, 52.7396)
Luminance0.3033 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37A2BD #BD5237
analogous
#37BD95 #37A2BD #375FBD
triadic
#37A2BD #BD37A2 #A2BD37
tetradic
#37A2BD #9537BD #BD5237 #5FBD37
square
#37A2BD #9537BD #BD5237 #5FBD37
split-complementary
#37A2BD #BD375F #BD9537
monochromatic
#1B515E #29798E #37A2BD #60BAD1 #90CFDF

Accessibility & contrast

On white

2.97
#37A2BD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.07
#37A2BD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A2BD
7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37A2BD#FFFFFF#000000##000000
##37A2BD1.002.977.077.07
#FFFFFF2.971.0021.0021.00
#0000007.0721.001.001.00
##0000007.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#919DBE
Deuteranopia (green-blind)
#7E90BD
Tritanopia (blue-blind)
#00ABAB
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #37a2bd;
/* rgb */ color: rgb(55, 162, 189);
/* oklch */ color: oklch(66.3% 0.102 218.2);
Tailwind
colors: {
  custom: {
    50: '#80bdd1',
    500: '#37a2bd',
    950: '#000000',
  },
}
SCSS
$custom: #37a2bd;
$custom-light: #80bdd1;
$custom-dark: #000000;
JSON
{
  "hex": "#37a2bd",
  "rgb": {
    "r": 55,
    "g": 162,
    "b": 189
  },
  "hsl": {
    "h": 192.09,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.66329,
    "c": 0.10243,
    "h": 218.2
  },
  "luminance": 0.30327
}

Semantic roles & 50–950 ramp

primary
#37A2BD
secondary
#C99486
accent
#684ADE
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1214
muted
#7C8182

Preview Lab

Preview with #37A2BD

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

Preview Lab → · Contrast checker → · Palette generator →

#37A2BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva