#63ADF2#63ADF2

#63ADF2 is a light, vivid cyan. Relative luminance 0.390; OKLCH L 72.8% C 0.125 H 248.4°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX#63ADF2
RGBrgb(99, 173, 242)
HSLhsl(209, 85%, 67%)
HSVhsv(209, 59%, 95%)
CMYKcmyk(59.1%, 28.5%, 0%, 5.1%)
CIE-LABlab(68.71, -3.01, -41.36)
CIE-LCHlch(68.71, 41.47, 265.84°)
OKLaboklab(72.83% -0.0462 -0.1165)
OKLCHoklch(72.83% 0.125 248.4)
XYZxyz(36.1103, 38.9473, 89.6018)
Luminance0.3895 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63ADF2 #F2A863
analogous
#63F2EF #63ADF2 #6366F2
triadic
#63ADF2 #F263AD #ADF263
tetradic
#63ADF2 #EF63F2 #F2A863 #66F263
square
#63ADF2 #EF63F2 #F2A863 #66F263
split-complementary
#63ADF2 #F26366 #F2EF63
monochromatic
#1171CA #2B8FED #63ADF2 #9BCBF7 #D4E8FB

Accessibility & contrast

On white

2.39
#63ADF2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.79
#63ADF2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADF2
8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63ADF2#FFFFFF#000000##000000
##63ADF21.002.398.798.79
#FFFFFF2.391.0021.0021.00
#0000008.7921.001.001.00
##0000008.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#90AFF5
Deuteranopia (green-blind)
#7CA1F1
Tritanopia (blue-blind)
#00BDC5
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #63adf2;
/* rgb */ color: rgb(99, 173, 242);
/* oklch */ color: oklch(72.8% 0.125 248.4);
Tailwind
colors: {
  custom: {
    50: '#9ac5f6',
    500: '#63adf2',
    950: '#000000',
  },
}
SCSS
$custom: #63adf2;
$custom-light: #9ac5f6;
$custom-dark: #000000;
JSON
{
  "hex": "#63adf2",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 242
  },
  "hsl": {
    "h": 208.951,
    "s": 84.615,
    "l": 66.863
  },
  "oklch": {
    "l": 0.72831,
    "c": 0.12529,
    "h": 248.4
  },
  "luminance": 0.38951
}

Semantic roles & 50–950 ramp

primary
#63ADF2
secondary
#EFD8C2
accent
#6F04E1
background
#FAFCFF
surface
#F3F8FE
border
#CDD1D6
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #63ADF2

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

Preview Lab → · Contrast checker → · Palette generator →

#63ADF2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva