#63ABDB#63ABDB

#63ABDB is a light, moderate cyan. Relative luminance 0.369; OKLCH L 71.3% C 0.101 H 239.5°. Best body text is #000000 at 8.38:1 contrast (WCAG AA passes).

Color values

HEX#63ABDB
RGBrgb(99, 171, 219)
HSLhsl(204, 63%, 62%)
HSVhsv(204, 55%, 86%)
CMYKcmyk(54.8%, 21.9%, 0%, 14.1%)
CIE-LABlab(67.19, -9.00, -31.14)
CIE-LCHlch(67.19, 32.41, 253.89°)
OKLaboklab(71.32% -0.0513 -0.087)
OKLCHoklch(71.32% 0.101 239.5)
XYZxyz(32.4900, 36.8901, 72.4125)
Luminance0.3689 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63ABDB #DB9363
analogous
#63DBCF #63ABDB #636FDB
triadic
#63ABDB #DB63AB #ABDB63
tetradic
#63ABDB #CF63DB #DB9363 #6FDB63
square
#63ABDB #CF63DB #DB9363 #6FDB63
split-complementary
#63ABDB #DB636F #DBCF63
monochromatic
#256E9F #3190D0 #63ABDB #95C6E6 #C6E1F2

Accessibility & contrast

On white

2.51
#63ABDB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.38
#63ABDB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ABDB
8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63ABDB#FFFFFF#000000##000000
##63ABDB1.002.518.388.38
#FFFFFF2.511.0021.0021.00
#0000008.3821.001.001.00
##0000008.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#95ABDD
Deuteranopia (green-blind)
#859EDA
Tritanopia (blue-blind)
#00B7BB
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #63abdb;
/* rgb */ color: rgb(99, 171, 219);
/* oklch */ color: oklch(71.3% 0.101 239.5);
Tailwind
colors: {
  custom: {
    50: '#98c3e6',
    500: '#63abdb',
    950: '#000000',
  },
}
SCSS
$custom: #63abdb;
$custom-light: #98c3e6;
$custom-dark: #000000;
JSON
{
  "hex": "#63abdb",
  "rgb": {
    "r": 99,
    "g": 171,
    "b": 219
  },
  "hsl": {
    "h": 204,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.71317,
    "c": 0.10097,
    "h": 239.5
  },
  "luminance": 0.36893
}

Semantic roles & 50–950 ramp

primary
#63ABDB
secondary
#E3C9B7
accent
#611BCA
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #63ABDB

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

Preview Lab → · Contrast checker → · Palette generator →

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