#63BBDB#63BBDB

#63BBDB is a light, moderate cyan. Relative luminance 0.433; OKLCH L 74.9% C 0.096 H 224.1°. Best body text is #000000 at 9.66:1 contrast (WCAG AA passes).

Color values

HEX#63BBDB
RGBrgb(99, 187, 219)
HSLhsl(196, 63%, 62%)
HSVhsv(196, 55%, 86%)
CMYKcmyk(54.8%, 14.6%, 0%, 14.1%)
CIE-LABlab(71.76, -17.53, -24.12)
CIE-LCHlch(71.76, 29.82, 233.98°)
OKLaboklab(74.95% -0.069 -0.067)
OKLCHoklch(74.95% 0.096 224.1)
XYZxyz(35.6972, 43.3045, 73.4815)
Luminance0.4331 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63BBDB #DB8363
analogous
#63DBBF #63BBDB #637FDB
triadic
#63BBDB #DB63BB #BBDB63
tetradic
#63BBDB #BF63DB #DB8363 #7FDB63
square
#63BBDB #BF63DB #DB8363 #7FDB63
split-complementary
#63BBDB #DB637F #DBBF63
monochromatic
#257E9F #31A5D0 #63BBDB #95D1E6 #C6E6F2

Accessibility & contrast

On white

2.17
#63BBDB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.66
#63BBDB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBDB
9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63BBDB#FFFFFF#000000##000000
##63BBDB1.002.179.669.66
#FFFFFF2.171.0021.0021.00
#0000009.6621.001.001.00
##0000009.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9B7DD
Deuteranopia (green-blind)
#98AADB
Tritanopia (blue-blind)
#00C5C5
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #63bbdb;
/* rgb */ color: rgb(99, 187, 219);
/* oklch */ color: oklch(74.9% 0.096 224.1);
Tailwind
colors: {
  custom: {
    50: '#98cfe6',
    500: '#63bbdb',
    950: '#000000',
  },
}
SCSS
$custom: #63bbdb;
$custom-light: #98cfe6;
$custom-dark: #000000;
JSON
{
  "hex": "#63bbdb",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 219
  },
  "hsl": {
    "h": 196,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.74948,
    "c": 0.09618,
    "h": 224.1
  },
  "luminance": 0.43308
}

Semantic roles & 50–950 ramp

primary
#63BBDB
secondary
#E3C3B7
accent
#4A1BCA
background
#F9FCFE
surface
#F2F9FC
border
#CCD2D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #63BBDB

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

Preview Lab → · Contrast checker → · Palette generator →

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