#63D3FD#63D3FD

#63D3FD is a light, moderate cyan. Relative luminance 0.563; OKLCH L 81.8% C 0.117 H 225.7°. Best body text is #000000 at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#63D3FD
RGB	rgb(99, 211, 253)
HSL	hsl(196, 97%, 69%)
HSV	hsv(196, 61%, 99%)
CMYK	cmyk(60.9%, 16.6%, 0%, 0.8%)
CIE-LAB	lab(79.80, -19.91, -30.10)
CIE-LCH	lch(79.80, 36.09, 236.52°)
OKLab	oklab(81.77% -0.082 -0.0839)
OKLCH	oklch(81.77% 0.117 225.7)
XYZ	xyz(46.1625, 56.3284, 101.3491)
Luminance	0.5633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D3FD #FD8D63

analogous

#63FDDA #63D3FD #6386FD

triadic

#63D3FD #FD63D3 #D3FD63

tetradic

#63D3FD #DA63FD #FD8D63 #86FD63

square

#63D3FD #DA63FD #FD8D63 #86FD63

split-complementary

#63D3FD #FD6386 #FDDA63

monochromatic

#03A6E3 #27C2FC #63D3FD #9FE4FE #DCF5FF

Accessibility & contrast

On white

1.71

#63D3FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.27

#63D3FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D3FD

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D3FD	#FFFFFF	#000000	##000000
##63D3FD	1.00	1.71	12.27	12.27
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.27	21.00	1.00	1.00
##000000	12.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCFFF

Deuteranopia (green-blind)

#A6BFFD

Tritanopia (blue-blind)

#00DFE1

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #63d3fd;
/* rgb */ color: rgb(99, 211, 253);
/* oklch */ color: oklch(81.8% 0.117 225.7);

Tailwind

colors: {
  custom: {
    50: '#9de0fe',
    500: '#63d3fd',
    950: '#000000',
  },
}

SCSS

$custom: #63d3fd;
$custom-light: #9de0fe;
$custom-dark: #000000;

JSON

{
  "hex": "#63d3fd",
  "rgb": {
    "r": 99,
    "g": 211,
    "b": 253
  },
  "hsl": {
    "h": 196.364,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.8177,
    "c": 0.11737,
    "h": 225.7
  },
  "luminance": 0.56333
}

Semantic roles & 50–950 ramp

primary

#63D3FD

secondary

#D75B2D

accent

#3F00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D3FD

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

Preview Lab → · Contrast checker → · Palette generator →