#63D1FA#63D1FA

#63D1FA is a light, moderate cyan. Relative luminance 0.552; OKLCH L 81.2% C 0.116 H 225.4°. Best body text is #000000 at 12.03:1 contrast (WCAG AA passes).

Color values

HEX#63D1FA
RGBrgb(99, 209, 250)
HSLhsl(196, 94%, 68%)
HSVhsv(196, 60%, 98%)
CMYKcmyk(60.4%, 16.4%, 0%, 2%)
CIE-LABlab(79.13, -19.78, -29.54)
CIE-LCHlch(79.13, 35.55, 236.20°)
OKLaboklab(81.2% -0.0811 -0.0823)
OKLCHoklch(81.2% 0.116 225.4)
XYZxyz(45.1946, 55.1512, 98.6874)
Luminance0.5516 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63D1FA #FA8C63
analogous
#63FAD7 #63D1FA #6385FA
triadic
#63D1FA #FA63D1 #D1FA63
tetradic
#63D1FA #D763FA #FA8C63 #85FA63
square
#63D1FA #D763FA #FA8C63 #85FA63
split-complementary
#63D1FA #FA6385 #FAD763
monochromatic
#07A2DC #28C0F8 #63D1FA #9EE2FC #DAF4FE

Accessibility & contrast

On white

1.75
#63D1FA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.03
#63D1FA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D1FA
12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63D1FA#FFFFFF#000000##000000
##63D1FA1.001.7512.0312.03
#FFFFFF1.751.0021.0021.00
#00000012.0321.001.001.00
##00000012.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#BBCDFC
Deuteranopia (green-blind)
#A5BDFA
Tritanopia (blue-blind)
#00DDDE
Achromatopsia (no color)
#C4C4C4

Design tokens & code

CSS
--color: #63d1fa;
/* rgb */ color: rgb(99, 209, 250);
/* oklch */ color: oklch(81.2% 0.116 225.4);
Tailwind
colors: {
  custom: {
    50: '#9cdffc',
    500: '#63d1fa',
    950: '#000000',
  },
}
SCSS
$custom: #63d1fa;
$custom-light: #9cdffc;
$custom-dark: #000000;
JSON
{
  "hex": "#63d1fa",
  "rgb": {
    "r": 99,
    "g": 209,
    "b": 250
  },
  "hsl": {
    "h": 196.291,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.81197,
    "c": 0.11554,
    "h": 225.4
  },
  "luminance": 0.55156
}

Semantic roles & 50–950 ramp

primary
#63D1FA
secondary
#D45B2E
accent
#3E00E6
background
#FCFEFF
surface
#F6FCFF
border
#D0D5D7
text
#0F1517
muted
#808485

Preview Lab

Preview with #63D1FA

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

Preview Lab → · Contrast checker → · Palette generator →

#63D1FA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva