#37ACC5#37ACC5

#37ACC5 is a light, moderate cyan. Relative luminance 0.343; OKLCH L 69.1% C 0.107 H 215.2°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX#37ACC5
RGBrgb(55, 172, 197)
HSLhsl(191, 56%, 49%)
HSVhsv(191, 72%, 77%)
CMYKcmyk(72.1%, 12.7%, 0%, 22.7%)
CIE-LABlab(65.24, -23.92, -22.11)
CIE-LCHlch(65.24, 32.57, 222.75°)
OKLaboklab(69.08% -0.0873 -0.0616)
OKLCHoklch(69.08% 0.107 215.2)
XYZxyz(26.4019, 34.3454, 58.0504)
Luminance0.3435 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37ACC5 #C55037
analogous
#37C597 #37ACC5 #3765C5
triadic
#37ACC5 #C537AC #ACC537
tetradic
#37ACC5 #9737C5 #C55037 #65C537
square
#37ACC5 #9737C5 #C55037 #65C537
split-complementary
#37ACC5 #C53765 #C59737
monochromatic
#1C5865 #2A8295 #37ACC5 #65C1D4 #95D4E1

Accessibility & contrast

On white

2.67
#37ACC5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.87
#37ACC5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ACC5
7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37ACC5#FFFFFF#000000##000000
##37ACC51.002.677.877.87
#FFFFFF2.671.0021.0021.00
#0000007.8721.001.001.00
##0000007.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#9BA7C6
Deuteranopia (green-blind)
#8798C5
Tritanopia (blue-blind)
#00B5B4
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #37acc5;
/* rgb */ color: rgb(55, 172, 197);
/* oklch */ color: oklch(69.1% 0.107 215.2);
Tailwind
colors: {
  custom: {
    50: '#82c5d6',
    500: '#37acc5',
    950: '#000000',
  },
}
SCSS
$custom: #37acc5;
$custom-light: #82c5d6;
$custom-dark: #000000;
JSON
{
  "hex": "#37acc5",
  "rgb": {
    "r": 55,
    "g": 172,
    "b": 197
  },
  "hsl": {
    "h": 190.563,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.69082,
    "c": 0.10689,
    "h": 215.2
  },
  "luminance": 0.34348
}

Semantic roles & 50–950 ramp

primary
#37ACC5
secondary
#CD978B
accent
#6348E0
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1314
muted
#7D8283

Preview Lab

Preview with #37ACC5

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

Preview Lab → · Contrast checker → · Palette generator →

#37ACC5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva