#63BBCF#63BBCF

#63BBCF is a light, moderate cyan. Relative luminance 0.427; OKLCH L 74.5% C 0.089 H 214.4°. Best body text is #000000 at 9.54:1 contrast (WCAG AA passes).

Color values

HEX#63BBCF
RGBrgb(99, 187, 207)
HSLhsl(191, 53%, 60%)
HSVhsv(191, 52%, 81%)
CMYKcmyk(52.2%, 9.7%, 0%, 18.8%)
CIE-LABlab(71.35, -20.96, -18.20)
CIE-LCHlch(71.35, 27.76, 220.97°)
OKLaboklab(74.48% -0.0736 -0.0503)
OKLCHoklch(74.48% 0.089 214.4)
XYZxyz(34.1740, 42.6953, 65.4595)
Luminance0.4270 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63BBCF #CF7763
analogous
#63CFAD #63BBCF #6385CF
triadic
#63BBCF #CF63BB #BBCF63
tetradic
#63BBCF #AD63CF #CF7763 #85CF63
square
#63BBCF #AD63CF #CF7763 #85CF63
split-complementary
#63BBCF #CF6385 #CFAD63
monochromatic
#2B7A8C #3AA3BB #63BBCF #92CFDD #C1E4EC

Accessibility & contrast

On white

2.20
#63BBCF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.54
#63BBCF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBCF
9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63BBCF#FFFFFF#000000##000000
##63BBCF1.002.209.549.54
#FFFFFF2.201.0021.0021.00
#0000009.5421.001.001.00
##0000009.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#ACB6D0
Deuteranopia (green-blind)
#9CA9CF
Tritanopia (blue-blind)
#14C3C1
Achromatopsia (no color)
#AFAFAF

Design tokens & code

CSS
--color: #63bbcf;
/* rgb */ color: rgb(99, 187, 207);
/* oklch */ color: oklch(74.5% 0.089 214.4);
Tailwind
colors: {
  custom: {
    50: '#97cfdd',
    500: '#63bbcf',
    950: '#000000',
  },
}
SCSS
$custom: #63bbcf;
$custom-light: #97cfdd;
$custom-dark: #000000;
JSON
{
  "hex": "#63bbcf",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 207
  },
  "hsl": {
    "h": 191.111,
    "s": 52.941,
    "l": 60
  },
  "oklch": {
    "l": 0.7448,
    "c": 0.08917,
    "h": 214.4
  },
  "luminance": 0.42698
}

Semantic roles & 50–950 ramp

primary
#63BBCF
secondary
#DCBAB2
accent
#664BDC
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1415
muted
#7E8283

Preview Lab

Preview with #63BBCF

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

Preview Lab → · Contrast checker → · Palette generator →

#63BBCF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva