#63ACDB#63ACDB

#63ACDB is a light, moderate cyan. Relative luminance 0.373; OKLCH L 71.5% C 0.100 H 238.6°. Best body text is #000000 at 8.45:1 contrast (WCAG AA passes).

Color values

HEX#63ACDB
RGBrgb(99, 172, 219)
HSLhsl(204, 63%, 62%)
HSVhsv(204, 55%, 86%)
CMYKcmyk(54.8%, 21.5%, 0%, 14.1%)
CIE-LABlab(67.48, -9.54, -30.70)
CIE-LCHlch(67.48, 32.15, 252.73°)
OKLaboklab(71.54% -0.0524 -0.0857)
OKLCHoklch(71.54% 0.1 238.6)
XYZxyz(32.6796, 37.2693, 72.4757)
Luminance0.3727 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63ACDB #DB9263
analogous
#63DBCE #63ACDB #6370DB
triadic
#63ACDB #DB63AC #ACDB63
tetradic
#63ACDB #CE63DB #DB9263 #70DB63
square
#63ACDB #CE63DB #DB9263 #70DB63
split-complementary
#63ACDB #DB6370 #DBCE63
monochromatic
#256F9F #3192D0 #63ACDB #95C6E6 #C6E1F2

Accessibility & contrast

On white

2.48
#63ACDB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.45
#63ACDB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ACDB
8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63ACDB#FFFFFF#000000##000000
##63ACDB1.002.488.458.45
#FFFFFF2.481.0021.0021.00
#0000008.4521.001.001.00
##0000008.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#97ABDD
Deuteranopia (green-blind)
#869FDA
Tritanopia (blue-blind)
#00B8BC
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #63acdb;
/* rgb */ color: rgb(99, 172, 219);
/* oklch */ color: oklch(71.5% 0.100 238.6);
Tailwind
colors: {
  custom: {
    50: '#98c4e6',
    500: '#63acdb',
    950: '#000000',
  },
}
SCSS
$custom: #63acdb;
$custom-light: #98c4e6;
$custom-dark: #000000;
JSON
{
  "hex": "#63acdb",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 219
  },
  "hsl": {
    "h": 203.5,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.71542,
    "c": 0.10047,
    "h": 238.6
  },
  "luminance": 0.37272
}

Semantic roles & 50–950 ramp

primary
#63ACDB
secondary
#E3C8B7
accent
#601BCA
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #63ACDB

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

Preview Lab → · Contrast checker → · Palette generator →

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