#37AAC6#37AAC6

#37AAC6 is a light, moderate cyan. Relative luminance 0.336; OKLCH L 68.6% C 0.107 H 217.7°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX#37AAC6
RGBrgb(55, 170, 198)
HSLhsl(192, 57%, 50%)
HSVhsv(192, 72%, 78%)
CMYKcmyk(72.2%, 14.1%, 0%, 22.4%)
CIE-LABlab(64.67, -22.57, -23.53)
CIE-LCHlch(64.67, 32.61, 226.19°)
OKLaboklab(68.64% -0.0849 -0.0656)
OKLCHoklch(68.64% 0.107 217.7)
XYZxyz(26.1390, 33.6358, 58.5299)
Luminance0.3364 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37AAC6 #C65337
analogous
#37C69B #37AAC6 #3763C6
triadic
#37AAC6 #C637AA #AAC637
tetradic
#37AAC6 #9B37C6 #C65337 #63C637
square
#37AAC6 #9B37C6 #C65337 #63C637
split-complementary
#37AAC6 #C63763 #C69B37
monochromatic
#1C5866 #2A8196 #37AAC6 #66BFD4 #96D3E2

Accessibility & contrast

On white

2.72
#37AAC6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.73
#37AAC6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AAC6
7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37AAC6#FFFFFF#000000##000000
##37AAC61.002.727.737.73
#FFFFFF2.721.0021.0021.00
#0000007.7321.001.001.00
##0000007.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#98A5C8
Deuteranopia (green-blind)
#8497C6
Tritanopia (blue-blind)
#00B4B3
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #37aac6;
/* rgb */ color: rgb(55, 170, 198);
/* oklch */ color: oklch(68.6% 0.107 217.7);
Tailwind
colors: {
  custom: {
    50: '#82c3d7',
    500: '#37aac6',
    950: '#000000',
  },
}
SCSS
$custom: #37aac6;
$custom-light: #82c3d7;
$custom-dark: #000000;
JSON
{
  "hex": "#37aac6",
  "rgb": {
    "r": 55,
    "g": 170,
    "b": 198
  },
  "hsl": {
    "h": 191.748,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.68641,
    "c": 0.10736,
    "h": 217.7
  },
  "luminance": 0.33639
}

Semantic roles & 50–950 ramp

primary
#37AAC6
secondary
#CD998C
accent
#6648E0
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #37AAC6

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

Preview Lab → · Contrast checker → · Palette generator →

#37AAC6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva