#37AFCC#37AFCC

#37AFCC is a light, moderate cyan. Relative luminance 0.358; OKLCH L 70.1% C 0.111 H 217.7°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX#37AFCC
RGBrgb(55, 175, 204)
HSLhsl(192, 59%, 51%)
HSVhsv(192, 73%, 80%)
CMYKcmyk(73%, 14.2%, 0%, 20%)
CIE-LABlab(66.39, -23.23, -24.22)
CIE-LCHlch(66.39, 33.56, 226.21°)
OKLaboklab(70.09% -0.0875 -0.0676)
OKLCHoklch(70.09% 0.111 217.7)
XYZxyz(27.8000, 35.8285, 62.5655)
Luminance0.3583 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37AFCC #CC5437
analogous
#37CC9E #37AFCC #3764CC
triadic
#37AFCC #CC37AF #AFCC37
tetradic
#37AFCC #9E37CC #CC5437 #64CC37
square
#37AFCC #9E37CC #CC5437 #64CC37
split-complementary
#37AFCC #CC3764 #CC9E37
monochromatic
#1C5D6D #28879E #37AFCC #68C3D8 #99D6E5

Accessibility & contrast

On white

2.57
#37AFCC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.17
#37AFCC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AFCC
8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37AFCC#FFFFFF#000000##000000
##37AFCC1.002.578.178.17
#FFFFFF2.571.0021.0021.00
#0000008.1721.001.001.00
##0000008.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#9CAACE
Deuteranopia (green-blind)
#889BCC
Tritanopia (blue-blind)
#00B9B8
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #37afcc;
/* rgb */ color: rgb(55, 175, 204);
/* oklch */ color: oklch(70.1% 0.111 217.7);
Tailwind
colors: {
  custom: {
    50: '#83c7db',
    500: '#37afcc',
    950: '#000000',
  },
}
SCSS
$custom: #37afcc;
$custom-light: #83c7db;
$custom-dark: #000000;
JSON
{
  "hex": "#37afcc",
  "rgb": {
    "r": 55,
    "g": 175,
    "b": 204
  },
  "hsl": {
    "h": 191.678,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.70094,
    "c": 0.1106,
    "h": 217.7
  },
  "luminance": 0.35832
}

Semantic roles & 50–950 ramp

primary
#37AFCC
secondary
#D09B8E
accent
#6445E3
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1315
muted
#7D8283

Preview Lab

Preview with #37AFCC

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

Preview Lab → · Contrast checker → · Palette generator →

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