#37ABC3#37ABC3

#37ABC3 is a light, moderate cyan. Relative luminance 0.339; OKLCH L 68.8% C 0.106 H 214.6°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX#37ABC3
RGBrgb(55, 171, 195)
HSLhsl(190, 56%, 49%)
HSVhsv(190, 72%, 76%)
CMYKcmyk(71.8%, 12.3%, 0%, 23.5%)
CIE-LABlab(64.86, -24.04, -21.57)
CIE-LCHlch(64.86, 32.30, 221.90°)
OKLaboklab(68.76% -0.0871 -0.0601)
OKLCHoklch(68.76% 0.106 214.6)
XYZxyz(25.9846, 33.8751, 56.7883)
Luminance0.3388 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37ABC3 #C34F37
analogous
#37C395 #37ABC3 #3765C3
triadic
#37ABC3 #C337AB #ABC337
tetradic
#37ABC3 #9537C3 #C34F37 #65C337
square
#37ABC3 #9537C3 #C34F37 #65C337
split-complementary
#37ABC3 #C33765 #C39537
monochromatic
#1C5764 #2A8193 #37ABC3 #64C0D3 #94D4E1

Accessibility & contrast

On white

2.70
#37ABC3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.78
#37ABC3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ABC3
7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37ABC3#FFFFFF#000000##000000
##37ABC31.002.707.787.78
#FFFFFF2.701.0021.0021.00
#0000007.7821.001.001.00
##0000007.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AA5C4
Deuteranopia (green-blind)
#8697C3
Tritanopia (blue-blind)
#00B4B2
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #37abc3;
/* rgb */ color: rgb(55, 171, 195);
/* oklch */ color: oklch(68.8% 0.106 214.6);
Tailwind
colors: {
  custom: {
    50: '#81c4d5',
    500: '#37abc3',
    950: '#000000',
  },
}
SCSS
$custom: #37abc3;
$custom-light: #81c4d5;
$custom-dark: #000000;
JSON
{
  "hex": "#37abc3",
  "rgb": {
    "r": 55,
    "g": 171,
    "b": 195
  },
  "hsl": {
    "h": 190.286,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.68758,
    "c": 0.10586,
    "h": 214.6
  },
  "luminance": 0.33878
}

Semantic roles & 50–950 ramp

primary
#37ABC3
secondary
#CC958A
accent
#6249DF
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #37ABC3

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

Preview Lab → · Contrast checker → · Palette generator →

#37ABC3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva