#37A8CD#37A8CD

#37A8CD is a light, moderate cyan. Relative luminance 0.332; OKLCH L 68.5% C 0.112 H 224.2°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX#37A8CD
RGBrgb(55, 168, 205)
HSLhsl(195, 60%, 51%)
HSVhsv(195, 73%, 80%)
CMYKcmyk(73.2%, 18%, 0%, 19.6%)
CIE-LABlab(64.34, -19.27, -27.92)
CIE-LCHlch(64.34, 33.93, 235.39°)
OKLaboklab(68.46% -0.0803 -0.0782)
OKLCHoklch(68.46% 0.112 224.2)
XYZxyz(26.5931, 33.2221, 62.7567)
Luminance0.3322 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37A8CD #CD5C37
analogous
#37CDA7 #37A8CD #375DCD
triadic
#37A8CD #CD37A8 #A8CD37
tetradic
#37A8CD #A737CD #CD5C37 #5DCD37
square
#37A8CD #A737CD #CD5C37 #5DCD37
split-complementary
#37A8CD #CD375D #CDA737
monochromatic
#1C5A6E #28829F #37A8CD #68BDD9 #99D3E5

Accessibility & contrast

On white

2.75
#37A8CD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.65
#37A8CD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A8CD
7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37A8CD#FFFFFF#000000##000000
##37A8CD1.002.757.657.65
#FFFFFF2.751.0021.0021.00
#0000007.6521.001.001.00
##0000007.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#93A4CF
Deuteranopia (green-blind)
#7F96CD
Tritanopia (blue-blind)
#00B3B4
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #37a8cd;
/* rgb */ color: rgb(55, 168, 205);
/* oklch */ color: oklch(68.5% 0.112 224.2);
Tailwind
colors: {
  custom: {
    50: '#82c2dc',
    500: '#37a8cd',
    950: '#000000',
  },
}
SCSS
$custom: #37a8cd;
$custom-light: #82c2dc;
$custom-dark: #000000;
JSON
{
  "hex": "#37a8cd",
  "rgb": {
    "r": 55,
    "g": 168,
    "b": 205
  },
  "hsl": {
    "h": 194.8,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.68462,
    "c": 0.11208,
    "h": 224.2
  },
  "luminance": 0.33225
}

Semantic roles & 50–950 ramp

primary
#37A8CD
secondary
#D19F8F
accent
#6C45E3
background
#F8FBFD
surface
#F0F7FB
border
#CBD0D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #37A8CD

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

Preview Lab → · Contrast checker → · Palette generator →

#37A8CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva