#37A6BF#37A6BF

#37A6BF is a light, moderate cyan. Relative luminance 0.318; OKLCH L 67.4% C 0.104 H 216.0°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX#37A6BF
RGBrgb(55, 166, 191)
HSLhsl(191, 55%, 48%)
HSVhsv(191, 71%, 75%)
CMYKcmyk(71.2%, 13.1%, 0%, 25.1%)
CIE-LABlab(63.21, -22.74, -21.86)
CIE-LCHlch(63.21, 31.55, 223.87°)
OKLaboklab(67.38% -0.0837 -0.0609)
OKLCHoklch(67.38% 0.104 216)
XYZxyz(24.6118, 31.8434, 54.1294)
Luminance0.3185 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37A6BF #BF5037
analogous
#37BF94 #37A6BF #3762BF
triadic
#37A6BF #BF37A6 #A6BF37
tetradic
#37A6BF #9437BF #BF5037 #62BF37
square
#37A6BF #9437BF #BF5037 #62BF37
split-complementary
#37A6BF #BF3762 #BF9437
monochromatic
#1C5360 #297D8F #37A6BF #62BDD2 #91D1DF

Accessibility & contrast

On white

2.85
#37A6BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.37
#37A6BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A6BF
7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37A6BF#FFFFFF#000000##000000
##37A6BF1.002.857.377.37
#FFFFFF2.851.0021.0021.00
#0000007.3721.001.001.00
##0000007.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#95A1C0
Deuteranopia (green-blind)
#8293BF
Tritanopia (blue-blind)
#00AFAE
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #37a6bf;
/* rgb */ color: rgb(55, 166, 191);
/* oklch */ color: oklch(67.4% 0.104 216.0);
Tailwind
colors: {
  custom: {
    50: '#80c0d2',
    500: '#37a6bf',
    950: '#000000',
  },
}
SCSS
$custom: #37a6bf;
$custom-light: #80c0d2;
$custom-dark: #000000;
JSON
{
  "hex": "#37a6bf",
  "rgb": {
    "r": 55,
    "g": 166,
    "b": 191
  },
  "hsl": {
    "h": 191.029,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.67383,
    "c": 0.10357,
    "h": 216
  },
  "luminance": 0.31846
}

Semantic roles & 50–950 ramp

primary
#37A6BF
secondary
#CA9488
accent
#6549DF
background
#F8FBFC
surface
#F0F7F9
border
#CBD0D2
text
#0C1214
muted
#7D8182

Preview Lab

Preview with #37A6BF

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

Preview Lab → · Contrast checker → · Palette generator →

#37A6BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva