#63D3FE#63D3FE

#63D3FE is a light, moderate cyan. Relative luminance 0.564; OKLCH L 81.8% C 0.118 H 226.2°. Best body text is #000000 at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#63D3FE
RGB	rgb(99, 211, 254)
HSL	hsl(197, 99%, 69%)
HSV	hsv(197, 61%, 100%)
CMYK	cmyk(61%, 16.9%, 0%, 0.4%)
CIE-LAB	lab(79.84, -19.61, -30.58)
CIE-LCH	lch(79.84, 36.33, 237.33°)
OKLab	oklab(81.81% -0.0817 -0.0853)
OKLCH	oklch(81.81% 0.118 226.2)
XYZ	xyz(46.3222, 56.3923, 102.1903)
Luminance	0.5640 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D3FE #FE8E63

analogous

#63FEDB #63D3FE #6386FE

triadic

#63D3FE #FE63D3 #D3FE63

tetradic

#63D3FE #DB63FE #FE8E63 #86FE63

square

#63D3FE #DB63FE #FE8E63 #86FE63

split-complementary

#63D3FE #FE6386 #FEDB63

monochromatic

#01A6E5 #26C2FE #63D3FE #A0E4FE #DDF5FF

Accessibility & contrast

On white

1.71

#63D3FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.28

#63D3FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D3FE

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D3FE	#FFFFFF	#000000	##000000
##63D3FE	1.00	1.71	12.28	12.28
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.28	21.00	1.00	1.00
##000000	12.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCFFF

Deuteranopia (green-blind)

#A6BFFE

Tritanopia (blue-blind)

#00E0E1

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #63d3fe;
/* rgb */ color: rgb(99, 211, 254);
/* oklch */ color: oklch(81.8% 0.118 226.2);

Tailwind

colors: {
  custom: {
    50: '#9de0ff',
    500: '#63d3fe',
    950: '#000000',
  },
}

SCSS

$custom: #63d3fe;
$custom-light: #9de0ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63d3fe",
  "rgb": {
    "r": 99,
    "g": 211,
    "b": 254
  },
  "hsl": {
    "h": 196.645,
    "s": 98.726,
    "l": 69.216
  },
  "oklch": {
    "l": 0.81811,
    "c": 0.1181,
    "h": 226.2
  },
  "luminance": 0.56397
}

Semantic roles & 50–950 ramp

primary

#63D3FE

secondary

#D95C2D

accent

#4000E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101518

muted

#808486

Preview Lab

Preview with #63D3FE

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

Preview Lab → · Contrast checker → · Palette generator →