#63D5FD#63D5FD

#63D5FD is a very light, moderate cyan. Relative luminance 0.573; OKLCH L 82.2% C 0.117 H 224.1°. Best body text is #000000 at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#63D5FD
RGB	rgb(99, 213, 253)
HSL	hsl(196, 97%, 69%)
HSV	hsv(196, 61%, 99%)
CMYK	cmyk(60.9%, 15.8%, 0%, 0.8%)
CIE-LAB	lab(80.36, -20.92, -29.24)
CIE-LCH	lch(80.36, 35.95, 234.41°)
OKLab	oklab(82.22% -0.0841 -0.0815)
OKLCH	oklch(82.22% 0.117 224.1)
XYZ	xyz(46.6624, 57.3283, 101.5158)
Luminance	0.5733 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D5FD #FD8B63

analogous

#63FDD8 #63D5FD #6388FD

triadic

#63D5FD #FD63D5 #D5FD63

tetradic

#63D5FD #D863FD #FD8B63 #88FD63

square

#63D5FD #D863FD #FD8B63 #88FD63

split-complementary

#63D5FD #FD6388 #FDD863

monochromatic

#03A9E3 #27C5FC #63D5FD #9FE5FE #DCF6FF

Accessibility & contrast

On white

1.68

#63D5FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.47

#63D5FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D5FD

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D5FD	#FFFFFF	#000000	##000000
##63D5FD	1.00	1.68	12.47	12.47
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.47	21.00	1.00	1.00
##000000	12.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFD1FF

Deuteranopia (green-blind)

#A9C0FD

Tritanopia (blue-blind)

#00E1E2

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #63d5fd;
/* rgb */ color: rgb(99, 213, 253);
/* oklch */ color: oklch(82.2% 0.117 224.1);

Tailwind

colors: {
  custom: {
    50: '#9de2fe',
    500: '#63d5fd',
    950: '#000000',
  },
}

SCSS

$custom: #63d5fd;
$custom-light: #9de2fe;
$custom-dark: #000000;

JSON

{
  "hex": "#63d5fd",
  "rgb": {
    "r": 99,
    "g": 213,
    "b": 253
  },
  "hsl": {
    "h": 195.584,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.8222,
    "c": 0.11708,
    "h": 224.1
  },
  "luminance": 0.57333
}

Semantic roles & 50–950 ramp

primary

#63D5FD

secondary

#D7592D

accent

#3C00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101517

muted

#808485

Preview Lab

Preview with #63D5FD

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

Preview Lab → · Contrast checker → · Palette generator →