#63D8F6#63D8F6

#63D8F6 is a very light, moderate cyan. Relative luminance 0.584; OKLCH L 82.6% C 0.113 H 217.3°. Best body text is #000000 at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#63D8F6
RGB	rgb(99, 216, 246)
HSL	hsl(192, 89%, 68%)
HSV	hsv(192, 60%, 96%)
CMYK	cmyk(59.8%, 12.2%, 0%, 3.5%)
CIE-LAB	lab(80.97, -24.47, -24.60)
CIE-LCH	lch(80.97, 34.69, 225.15°)
OKLab	oklab(82.62% -0.0897 -0.0683)
OKLCH	oklch(82.62% 0.113 217.3)
XYZ	xyz(46.3293, 58.4135, 96.0043)
Luminance	0.5842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D8F6 #F68163

analogous

#63F6CB #63D8F6 #638EF6

triadic

#63D8F6 #F663D8 #D8F663

tetradic

#63D8F6 #CB63F6 #F68163 #8EF663

square

#63D8F6 #CB63F6 #F68163 #8EF663

split-complementary

#63D8F6 #F6638E #F6CB63

monochromatic

#0CAAD2 #29CAF3 #63D8F6 #9DE6F9 #D7F5FD

Accessibility & contrast

On white

1.66

#63D8F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.68

#63D8F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D8F6

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D8F6	#FFFFFF	#000000	##000000
##63D8F6	1.00	1.66	12.68	12.68
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.68	21.00	1.00	1.00
##000000	12.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4D2F8

Deuteranopia (green-blind)

#AFC2F6

Tritanopia (blue-blind)

#00E3E1

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63d8f6;
/* rgb */ color: rgb(99, 216, 246);
/* oklch */ color: oklch(82.6% 0.113 217.3);

Tailwind

colors: {
  custom: {
    50: '#9ce4f9',
    500: '#63d8f6',
    950: '#000000',
  },
}

SCSS

$custom: #63d8f6;
$custom-light: #9ce4f9;
$custom-dark: #000000;

JSON

{
  "hex": "#63d8f6",
  "rgb": {
    "r": 99,
    "g": 216,
    "b": 246
  },
  "hsl": {
    "h": 192.245,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.82623,
    "c": 0.11279,
    "h": 217.3
  },
  "luminance": 0.58418
}

Semantic roles & 50–950 ramp

primary

#63D8F6

secondary

#CE5030

accent

#2F00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D8F6

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

Preview Lab → · Contrast checker → · Palette generator →