#37A1C5#37A1C5

#37A1C5 is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.4% C 0.108 H 224.9°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX#37A1C5
RGBrgb(55, 161, 197)
HSLhsl(195, 56%, 49%)
HSVhsv(195, 72%, 77%)
CMYKcmyk(72.1%, 18.3%, 0%, 22.7%)
CIE-LABlab(61.94, -18.19, -27.17)
CIE-LCHlch(61.94, 32.70, 236.20°)
OKLaboklab(66.44% -0.0764 -0.0761)
OKLCHoklch(66.44% 0.108 224.9)
XYZxyz(24.3943, 30.3304, 57.3812)
Luminance0.3033 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37A1C5 #C55B37
analogous
#37C5A2 #37A1C5 #375AC5
triadic
#37A1C5 #C537A1 #A1C537
tetradic
#37A1C5 #A237C5 #C55B37 #5AC537
square
#37A1C5 #A237C5 #C55B37 #5AC537
split-complementary
#37A1C5 #C5375A #C5A237
monochromatic
#1C5365 #2A7A95 #37A1C5 #65B8D4 #95CEE1

Accessibility & contrast

On white

2.97
#37A1C5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.07
#37A1C5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A1C5
7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37A1C5#FFFFFF#000000##000000
##37A1C51.002.977.077.07
#FFFFFF2.971.0021.0021.00
#0000007.0721.001.001.00
##0000007.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D9EC7
Deuteranopia (green-blind)
#7A90C5
Tritanopia (blue-blind)
#00ACAD
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #37a1c5;
/* rgb */ color: rgb(55, 161, 197);
/* oklch */ color: oklch(66.4% 0.108 224.9);
Tailwind
colors: {
  custom: {
    50: '#81bdd6',
    500: '#37a1c5',
    950: '#000000',
  },
}
SCSS
$custom: #37a1c5;
$custom-light: #81bdd6;
$custom-dark: #000000;
JSON
{
  "hex": "#37a1c5",
  "rgb": {
    "r": 55,
    "g": 161,
    "b": 197
  },
  "hsl": {
    "h": 195.211,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.66435,
    "c": 0.10782,
    "h": 224.9
  },
  "luminance": 0.30333
}

Semantic roles & 50–950 ramp

primary
#37A1C5
secondary
#CD9C8B
accent
#6F48E0
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #37A1C5

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

Preview Lab → · Contrast checker → · Palette generator →

#37A1C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva