#37ABD5#37ABD5

#37ABD5 is a light, moderate cyan. Relative luminance 0.347; OKLCH L 69.5% C 0.117 H 226.8°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX#37ABD5
RGBrgb(55, 171, 213)
HSLhsl(196, 65%, 53%)
HSVhsv(196, 74%, 84%)
CMYKcmyk(74.2%, 19.7%, 0%, 16.5%)
CIE-LABlab(65.54, -18.23, -30.49)
CIE-LCHlch(65.54, 35.52, 239.13°)
OKLaboklab(69.53% -0.0802 -0.0855)
OKLCHoklch(69.53% 0.117 226.8)
XYZxyz(28.1438, 34.7388, 68.1599)
Luminance0.3474 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37ABD5 #D56137
analogous
#37D5B0 #37ABD5 #375CD5
triadic
#37ABD5 #D537AB #ABD537
tetradic
#37ABD5 #B037D5 #D56137 #5CD537
square
#37ABD5 #B037D5 #D56137 #5CD537
split-complementary
#37ABD5 #D5375C #D5B037
monochromatic
#195F78 #2487AB #37ABD5 #6AC0E0 #9CD5EA

Accessibility & contrast

On white

2.64
#37ABD5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.95
#37ABD5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ABD5
7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37ABD5#FFFFFF#000000##000000
##37ABD51.002.647.957.95
#FFFFFF2.641.0021.0021.00
#0000007.9521.001.001.00
##0000007.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#94A8D7
Deuteranopia (green-blind)
#7F98D4
Tritanopia (blue-blind)
#00B7B9
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #37abd5;
/* rgb */ color: rgb(55, 171, 213);
/* oklch */ color: oklch(69.5% 0.117 226.8);
Tailwind
colors: {
  custom: {
    50: '#84c4e2',
    500: '#37abd5',
    950: '#000000',
  },
}
SCSS
$custom: #37abd5;
$custom-light: #84c4e2;
$custom-dark: #000000;
JSON
{
  "hex": "#37abd5",
  "rgb": {
    "r": 55,
    "g": 171,
    "b": 213
  },
  "hsl": {
    "h": 195.949,
    "s": 65.289,
    "l": 52.549
  },
  "oklch": {
    "l": 0.69531,
    "c": 0.11728,
    "h": 226.8
  },
  "luminance": 0.34742
}

Semantic roles & 50–950 ramp

primary
#37ABD5
secondary
#D6A492
accent
#6C40E8
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #37ABD5

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

Preview Lab → · Contrast checker → · Palette generator →

#37ABD5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva