#63BBD9#63BBD9

#63BBD9 is a light, moderate cyan. Relative luminance 0.432; OKLCH L 74.9% C 0.095 H 222.6°. Best body text is #000000 at 9.64:1 contrast (WCAG AA passes).

Color values

HEX#63BBD9
RGBrgb(99, 187, 217)
HSLhsl(195, 61%, 62%)
HSVhsv(195, 54%, 85%)
CMYKcmyk(54.4%, 13.8%, 0%, 14.9%)
CIE-LABlab(71.69, -18.11, -23.14)
CIE-LCHlch(71.69, 29.38, 231.94°)
OKLaboklab(74.87% -0.0698 -0.0642)
OKLCHoklch(74.87% 0.095 222.6)
XYZxyz(35.4355, 43.1999, 72.1032)
Luminance0.4320 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63BBD9 #D98163
analogous
#63D9BC #63BBD9 #6380D9
triadic
#63BBD9 #D963BB #BBD963
tetradic
#63BBD9 #BC63D9 #D98163 #80D963
square
#63BBD9 #BC63D9 #D98163 #80D963
split-complementary
#63BBD9 #D96380 #D9BC63
monochromatic
#267E9C #32A5CD #63BBD9 #94D0E5 #C5E6F1

Accessibility & contrast

On white

2.18
#63BBD9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.64
#63BBD9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBD9
9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63BBD9#FFFFFF#000000##000000
##63BBD91.002.189.649.64
#FFFFFF2.181.0021.0021.00
#0000009.6421.001.001.00
##0000009.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#AAB7DB
Deuteranopia (green-blind)
#98AAD9
Tritanopia (blue-blind)
#00C5C4
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #63bbd9;
/* rgb */ color: rgb(99, 187, 217);
/* oklch */ color: oklch(74.9% 0.095 222.6);
Tailwind
colors: {
  custom: {
    50: '#98cfe4',
    500: '#63bbd9',
    950: '#000000',
  },
}
SCSS
$custom: #63bbd9;
$custom-light: #98cfe4;
$custom-dark: #000000;
JSON
{
  "hex": "#63bbd9",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 217
  },
  "hsl": {
    "h": 195.254,
    "s": 60.825,
    "l": 61.961
  },
  "oklch": {
    "l": 0.74868,
    "c": 0.09481,
    "h": 222.6
  },
  "luminance": 0.43203
}

Semantic roles & 50–950 ramp

primary
#63BBD9
secondary
#E2C1B6
accent
#491DC9
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1315
muted
#7E8283

Preview Lab

Preview with #63BBD9

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

Preview Lab → · Contrast checker → · Palette generator →

#63BBD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva