#37A8CE#37A8CE

#37A8CE is a light, moderate cyan. Relative luminance 0.333; OKLCH L 68.5% C 0.113 H 224.9°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX#37A8CE
RGBrgb(55, 168, 206)
HSLhsl(195, 61%, 51%)
HSVhsv(195, 73%, 81%)
CMYKcmyk(73.3%, 18.4%, 0%, 19.2%)
CIE-LABlab(64.38, -18.94, -28.42)
CIE-LCHlch(64.38, 34.15, 236.31°)
OKLaboklab(68.51% -0.0799 -0.0796)
OKLCHoklch(68.51% 0.113 224.9)
XYZxyz(26.7142, 33.2706, 63.3945)
Luminance0.3327 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37A8CE #CE5D37
analogous
#37CEA8 #37A8CE #375CCE
triadic
#37A8CE #CE37A8 #A8CE37
tetradic
#37A8CE #A837CE #CE5D37 #5CCE37
square
#37A8CE #A837CE #CE5D37 #5CCE37
split-complementary
#37A8CE #CE375C #CEA837
monochromatic
#1B5A6F #2782A0 #37A8CE #68BDDA #99D3E6

Accessibility & contrast

On white

2.74
#37A8CE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.65
#37A8CE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A8CE
7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37A8CE#FFFFFF#000000##000000
##37A8CE1.002.747.657.65
#FFFFFF2.741.0021.0021.00
#0000007.6521.001.001.00
##0000007.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#93A4D0
Deuteranopia (green-blind)
#7E96CE
Tritanopia (blue-blind)
#00B3B4
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #37a8ce;
/* rgb */ color: rgb(55, 168, 206);
/* oklch */ color: oklch(68.5% 0.113 224.9);
Tailwind
colors: {
  custom: {
    50: '#82c2dd',
    500: '#37a8ce',
    950: '#000000',
  },
}
SCSS
$custom: #37a8ce;
$custom-light: #82c2dd;
$custom-dark: #000000;
JSON
{
  "hex": "#37a8ce",
  "rgb": {
    "r": 55,
    "g": 168,
    "b": 206
  },
  "hsl": {
    "h": 195.099,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.68507,
    "c": 0.1128,
    "h": 224.9
  },
  "luminance": 0.33274
}

Semantic roles & 50–950 ramp

primary
#37A8CE
secondary
#D2A08F
accent
#6C44E4
background
#F8FBFD
surface
#F0F7FB
border
#CBD0D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #37A8CE

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

Preview Lab → · Contrast checker → · Palette generator →

#37A8CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva