#37ACD0#37ACD0

#37ACD0 is a light, moderate cyan. Relative luminance 0.349; OKLCH L 69.5% C 0.113 H 222.9°. Best body text is #000000 at 7.97:1 contrast (WCAG AA passes).

Color values

HEX#37ACD0
RGBrgb(55, 172, 208)
HSLhsl(194, 62%, 52%)
HSVhsv(194, 74%, 82%)
CMYKcmyk(73.6%, 17.3%, 0%, 18.4%)
CIE-LABlab(65.65, -20.39, -27.57)
CIE-LCHlch(65.65, 34.29, 233.52°)
OKLaboklab(69.55% -0.0831 -0.0772)
OKLCHoklch(69.55% 0.113 222.9)
XYZxyz(27.7085, 34.8681, 64.9322)
Luminance0.3487 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37ACD0 #D05B37
analogous
#37D0A8 #37ACD0 #3760D0
triadic
#37ACD0 #D037AC #ACD037
tetradic
#37ACD0 #A837D0 #D05B37 #60D037
square
#37ACD0 #A837D0 #D05B37 #60D037
split-complementary
#37ACD0 #D03760 #D0A837
monochromatic
#1B5D72 #2686A3 #37ACD0 #69C1DC #9AD5E7

Accessibility & contrast

On white

2.63
#37ACD0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.97
#37ACD0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ACD0
7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37ACD0#FFFFFF#000000##000000
##37ACD01.002.637.977.97
#FFFFFF2.631.0021.0021.00
#0000007.9721.001.001.00
##0000007.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#97A8D2
Deuteranopia (green-blind)
#8399D0
Tritanopia (blue-blind)
#00B7B8
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #37acd0;
/* rgb */ color: rgb(55, 172, 208);
/* oklch */ color: oklch(69.5% 0.113 222.9);
Tailwind
colors: {
  custom: {
    50: '#83c5de',
    500: '#37acd0',
    950: '#000000',
  },
}
SCSS
$custom: #37acd0;
$custom-light: #83c5de;
$custom-dark: #000000;
JSON
{
  "hex": "#37acd0",
  "rgb": {
    "r": 55,
    "g": 172,
    "b": 208
  },
  "hsl": {
    "h": 194.118,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.69547,
    "c": 0.11338,
    "h": 222.9
  },
  "luminance": 0.34871
}

Semantic roles & 50–950 ramp

primary
#37ACD0
secondary
#D3A090
accent
#6943E5
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #37ACD0

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

Preview Lab → · Contrast checker → · Palette generator →

#37ACD0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva