#37A4C2#37A4C2

#37A4C2 is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.0% C 0.105 H 220.1°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX#37A4C2
RGBrgb(55, 164, 194)
HSLhsl(193, 56%, 49%)
HSVhsv(193, 72%, 76%)
CMYKcmyk(71.6%, 15.5%, 0%, 23.9%)
CIE-LABlab(62.72, -20.75, -24.29)
CIE-LCHlch(62.72, 31.94, 229.50°)
OKLaboklab(67.03% -0.0805 -0.0678)
OKLCHoklch(67.03% 0.105 220.1)
XYZxyz(24.5846, 31.2553, 55.7657)
Luminance0.3126 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37A4C2 #C25537
analogous
#37C29B #37A4C2 #375FC2
triadic
#37A4C2 #C237A4 #A4C237
tetradic
#37A4C2 #9B37C2 #C25537 #5FC237
square
#37A4C2 #9B37C2 #C25537 #5FC237
split-complementary
#37A4C2 #C2375F #C29B37
monochromatic
#1C5363 #297C92 #37A4C2 #63BBD3 #93D0E0

Accessibility & contrast

On white

2.90
#37A4C2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.25
#37A4C2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A4C2
7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37A4C2#FFFFFF#000000##000000
##37A4C21.002.907.257.25
#FFFFFF2.901.0021.0021.00
#0000007.2521.001.001.00
##0000007.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#92A0C4
Deuteranopia (green-blind)
#7F92C2
Tritanopia (blue-blind)
#00AEAE
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #37a4c2;
/* rgb */ color: rgb(55, 164, 194);
/* oklch */ color: oklch(67.0% 0.105 220.1);
Tailwind
colors: {
  custom: {
    50: '#81bfd4',
    500: '#37a4c2',
    950: '#000000',
  },
}
SCSS
$custom: #37a4c2;
$custom-light: #81bfd4;
$custom-dark: #000000;
JSON
{
  "hex": "#37a4c2",
  "rgb": {
    "r": 55,
    "g": 164,
    "b": 194
  },
  "hsl": {
    "h": 192.95,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.67025,
    "c": 0.10531,
    "h": 220.1
  },
  "luminance": 0.31258
}

Semantic roles & 50–950 ramp

primary
#37A4C2
secondary
#CB9889
accent
#6949DF
background
#F8FBFD
surface
#F0F7FA
border
#CBD0D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #37A4C2

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

Preview Lab → · Contrast checker → · Palette generator →

#37A4C2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva