#63BCCF#63BCCF

#63BCCF is a light, moderate cyan. Relative luminance 0.431; OKLCH L 74.7% C 0.089 H 213.3°. Best body text is #000000 at 9.62:1 contrast (WCAG AA passes).

Color values

HEX#63BCCF
RGBrgb(99, 188, 207)
HSLhsl(191, 53%, 60%)
HSVhsv(191, 52%, 81%)
CMYKcmyk(52.2%, 9.2%, 0%, 18.8%)
CIE-LABlab(71.64, -21.47, -17.76)
CIE-LCHlch(71.64, 27.86, 219.60°)
OKLaboklab(74.71% -0.0747 -0.0491)
OKLCHoklch(74.71% 0.089 213.3)
XYZxyz(34.3869, 43.1210, 65.5304)
Luminance0.4312 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63BCCF #CF7663
analogous
#63CFAC #63BCCF #6386CF
triadic
#63BCCF #CF63BC #BCCF63
tetradic
#63BCCF #AC63CF #CF7663 #86CF63
square
#63BCCF #AC63CF #CF7663 #86CF63
split-complementary
#63BCCF #CF6386 #CFAC63
monochromatic
#2B7B8C #3AA4BB #63BCCF #92D0DD #C1E4EC

Accessibility & contrast

On white

2.18
#63BCCF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.62
#63BCCF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCCF
9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63BCCF#FFFFFF#000000##000000
##63BCCF1.002.189.629.62
#FFFFFF2.181.0021.0021.00
#0000009.6221.001.001.00
##0000009.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#ADB7D0
Deuteranopia (green-blind)
#9DAACF
Tritanopia (blue-blind)
#13C4C2
Achromatopsia (no color)
#AFAFAF

Design tokens & code

CSS
--color: #63bccf;
/* rgb */ color: rgb(99, 188, 207);
/* oklch */ color: oklch(74.7% 0.089 213.3);
Tailwind
colors: {
  custom: {
    50: '#97d0dd',
    500: '#63bccf',
    950: '#000000',
  },
}
SCSS
$custom: #63bccf;
$custom-light: #97d0dd;
$custom-dark: #000000;
JSON
{
  "hex": "#63bccf",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 207
  },
  "hsl": {
    "h": 190.556,
    "s": 52.941,
    "l": 60
  },
  "oklch": {
    "l": 0.74712,
    "c": 0.08942,
    "h": 213.3
  },
  "luminance": 0.43124
}

Semantic roles & 50–950 ramp

primary
#63BCCF
secondary
#DCB9B2
accent
#654BDC
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1415
muted
#7E8283

Preview Lab

Preview with #63BCCF

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

Preview Lab → · Contrast checker → · Palette generator →

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