#37ABCC#37ABCC

#37ABCC is a light, moderate cyan. Relative luminance 0.343; OKLCH L 69.1% C 0.111 H 221.1°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX#37ABCC
RGBrgb(55, 171, 204)
HSLhsl(193, 59%, 51%)
HSVhsv(193, 73%, 80%)
CMYKcmyk(73%, 16.2%, 0%, 20%)
CIE-LABlab(65.20, -21.16, -26.05)
CIE-LCHlch(65.20, 33.57, 230.91°)
OKLaboklab(69.14% -0.0836 -0.0728)
OKLCHoklch(69.14% 0.111 221.1)
XYZxyz(27.0330, 34.2945, 62.3098)
Luminance0.3430 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37ABCC #CC5837
analogous
#37CCA3 #37ABCC #3760CC
triadic
#37ABCC #CC37AB #ABCC37
tetradic
#37ABCC #A337CC #CC5837 #60CC37
square
#37ABCC #A337CC #CC5837 #60CC37
split-complementary
#37ABCC #CC3760 #CCA337
monochromatic
#1C5B6D #28849E #37ABCC #68BFD8 #99D4E5

Accessibility & contrast

On white

2.67
#37ABCC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.86
#37ABCC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ABCC
7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37ABCC#FFFFFF#000000##000000
##37ABCC1.002.677.867.86
#FFFFFF2.671.0021.0021.00
#0000007.8621.001.001.00
##0000007.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#97A7CE
Deuteranopia (green-blind)
#8398CC
Tritanopia (blue-blind)
#00B6B6
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #37abcc;
/* rgb */ color: rgb(55, 171, 204);
/* oklch */ color: oklch(69.1% 0.111 221.1);
Tailwind
colors: {
  custom: {
    50: '#82c4db',
    500: '#37abcc',
    950: '#000000',
  },
}
SCSS
$custom: #37abcc;
$custom-light: #82c4db;
$custom-dark: #000000;
JSON
{
  "hex": "#37abcc",
  "rgb": {
    "r": 55,
    "g": 171,
    "b": 204
  },
  "hsl": {
    "h": 193.289,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.69136,
    "c": 0.11089,
    "h": 221.1
  },
  "luminance": 0.34298
}

Semantic roles & 50–950 ramp

primary
#37ABCC
secondary
#D09D8E
accent
#6845E3
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #37ABCC

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

Preview Lab → · Contrast checker → · Palette generator →

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