#37ABD3#37ABD3

#37ABD3 is a light, moderate cyan. Relative luminance 0.346; OKLCH L 69.4% C 0.116 H 225.6°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX#37ABD3
RGBrgb(55, 171, 211)
HSLhsl(195, 64%, 52%)
HSVhsv(195, 74%, 83%)
CMYKcmyk(73.9%, 19%, 0%, 17.3%)
CIE-LABlab(65.47, -18.88, -29.51)
CIE-LCHlch(65.47, 35.04, 237.39°)
OKLaboklab(69.44% -0.081 -0.0827)
OKLCHoklch(69.44% 0.116 225.6)
XYZxyz(27.8915, 34.6379, 66.8312)
Luminance0.3464 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37ABD3 #D35F37
analogous
#37D3AD #37ABD3 #375DD3
triadic
#37ABD3 #D337AB #ABD337
tetradic
#37ABD3 #AD37D3 #D35F37 #5DD337
square
#37ABD3 #AD37D3 #D35F37 #5DD337
split-complementary
#37ABD3 #D3375D #D3AD37
monochromatic
#1A5E76 #2586A8 #37ABD3 #69C0DE #9BD5E9

Accessibility & contrast

On white

2.65
#37ABD3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.93
#37ABD3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ABD3
7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37ABD3#FFFFFF#000000##000000
##37ABD31.002.657.937.93
#FFFFFF2.651.0021.0021.00
#0000007.9321.001.001.00
##0000007.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#95A8D5
Deuteranopia (green-blind)
#8098D3
Tritanopia (blue-blind)
#00B7B8
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #37abd3;
/* rgb */ color: rgb(55, 171, 211);
/* oklch */ color: oklch(69.4% 0.116 225.6);
Tailwind
colors: {
  custom: {
    50: '#83c4e0',
    500: '#37abd3',
    950: '#000000',
  },
}
SCSS
$custom: #37abd3;
$custom-light: #83c4e0;
$custom-dark: #000000;
JSON
{
  "hex": "#37abd3",
  "rgb": {
    "r": 55,
    "g": 171,
    "b": 211
  },
  "hsl": {
    "h": 195.385,
    "s": 63.934,
    "l": 52.157
  },
  "oklch": {
    "l": 0.69442,
    "c": 0.11575,
    "h": 225.6
  },
  "luminance": 0.34641
}

Semantic roles & 50–950 ramp

primary
#37ABD3
secondary
#D5A291
accent
#6B41E7
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #37ABD3

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

Preview Lab → · Contrast checker → · Palette generator →

#37ABD3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva