#63D8FF#63D8FF

#63D8FF is a very light, moderate cyan. Relative luminance 0.590; OKLCH L 83.0% C 0.118 H 223.0°. Best body text is #000000 at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#63D8FF
RGB	rgb(99, 216, 255)
HSL	hsl(195, 100%, 69%)
HSV	hsv(195, 61%, 100%)
CMYK	cmyk(61.2%, 15.3%, 0%, 0%)
CIE-LAB	lab(81.28, -21.85, -28.90)
CIE-LCH	lch(81.28, 36.23, 232.91°)
OKLab	oklab(82.98% -0.0864 -0.0805)
OKLCH	oklch(82.98% 0.118 223)
XYZ	xyz(47.7443, 58.9795, 103.4564)
Luminance	0.5898 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D8FF #FF8A63

analogous

#63FFD8 #63D8FF #638AFF

triadic

#63D8FF #FF63D8 #D8FF63

tetradic

#63D8FF #D863FF #FF8A63 #8AFF63

square

#63D8FF #D863FF #FF8A63 #8AFF63

split-complementary

#63D8FF #FF638A #FFD863

monochromatic

#00AEE8 #26C9FF #63D8FF #A0E7FF #DDF7FF

Accessibility & contrast

On white

1.64

#63D8FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.80

#63D8FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D8FF

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D8FF	#FFFFFF	#000000	##000000
##63D8FF	1.00	1.64	12.80	12.80
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.80	21.00	1.00	1.00
##000000	12.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2D3FF

Deuteranopia (green-blind)

#ABC3FF

Tritanopia (blue-blind)

#00E4E4

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #63d8ff;
/* rgb */ color: rgb(99, 216, 255);
/* oklch */ color: oklch(83.0% 0.118 223.0);

Tailwind

colors: {
  custom: {
    50: '#9de4ff',
    500: '#63d8ff',
    950: '#000000',
  },
}

SCSS

$custom: #63d8ff;
$custom-light: #9de4ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63d8ff",
  "rgb": {
    "r": 99,
    "g": 216,
    "b": 255
  },
  "hsl": {
    "h": 195,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.82976,
    "c": 0.1181,
    "h": 223
  },
  "luminance": 0.58984
}

Semantic roles & 50–950 ramp

primary

#63D8FF

secondary

#DA582C

accent

#3900E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101518

muted

#808486

Preview Lab

Preview with #63D8FF

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

Preview Lab → · Contrast checker → · Palette generator →