#37BDDE#37BDDE

#37BDDE is a light, vivid cyan. Relative luminance 0.425; OKLCH L 74.2% C 0.120 H 218.5°. Best body text is #000000 at 9.50:1 contrast (WCAG AA passes).

Color values

HEX#37BDDE
RGBrgb(55, 189, 222)
HSLhsl(192, 72%, 54%)
HSVhsv(192, 75%, 87%)
CMYKcmyk(75.2%, 14.9%, 0%, 12.9%)
CIE-LABlab(71.20, -24.60, -26.72)
CIE-LCHlch(71.20, 36.32, 227.36°)
OKLaboklab(74.18% -0.094 -0.0747)
OKLCHoklch(74.18% 0.12 218.5)
XYZxyz(32.9524, 42.4774, 75.5553)
Luminance0.4248 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37BDDE #DE5837
analogous
#37DEAB #37BDDE #376ADE
triadic
#37BDDE #DE37BD #BDDE37
tetradic
#37BDDE #AB37DE #DE5837 #6ADE37
square
#37BDDE #AB37DE #DE5837 #6ADE37
split-complementary
#37BDDE #DE376A #DEAB37
monochromatic
#166F85 #1F9BB9 #37BDDE #6CCEE7 #A0E0EF

Accessibility & contrast

On white

2.21
#37BDDE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.50
#37BDDE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BDDE
9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37BDDE#FFFFFF#000000##000000
##37BDDE1.002.219.509.50
#FFFFFF2.211.0021.0021.00
#0000009.5021.001.001.00
##0000009.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8B8E0
Deuteranopia (green-blind)
#92A7DE
Tritanopia (blue-blind)
#00C8C7
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #37bdde;
/* rgb */ color: rgb(55, 189, 222);
/* oklch */ color: oklch(74.2% 0.120 218.5);
Tailwind
colors: {
  custom: {
    50: '#86d1e8',
    500: '#37bdde',
    950: '#000000',
  },
}
SCSS
$custom: #37bdde;
$custom-light: #86d1e8;
$custom-dark: #000000;
JSON
{
  "hex": "#37bdde",
  "rgb": {
    "r": 55,
    "g": 189,
    "b": 222
  },
  "hsl": {
    "h": 191.856,
    "s": 71.674,
    "l": 54.314
  },
  "oklch": {
    "l": 0.74181,
    "c": 0.12008,
    "h": 218.5
  },
  "luminance": 0.42481
}

Semantic roles & 50–950 ramp

primary
#37BDDE
secondary
#DCA395
accent
#5D39EE
background
#F9FCFE
surface
#F1F9FC
border
#CBD2D5
text
#0D1416
muted
#7E8284

Preview Lab

Preview with #37BDDE

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

Preview Lab → · Contrast checker → · Palette generator →

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