#63D3F7#63D3F7

#63D3F7 is a light, moderate cyan. Relative luminance 0.560; OKLCH L 81.5% C 0.113 H 222.0°. Best body text is #000000 at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#63D3F7
RGB	rgb(99, 211, 247)
HSL	hsl(195, 90%, 68%)
HSV	hsv(195, 60%, 97%)
CMYK	cmyk(59.9%, 14.6%, 0%, 3.1%)
CIE-LAB	lab(79.59, -21.67, -27.24)
CIE-LCH	lch(79.59, 34.81, 231.49°)
OKLab	oklab(81.53% -0.0842 -0.0758)
OKLCH	oklch(81.53% 0.113 222)
XYZ	xyz(45.2217, 55.9521, 96.3943)
Luminance	0.5596 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D3F7 #F78763

analogous

#63F7D1 #63D3F7 #6389F7

triadic

#63D3F7 #F763D3 #D3F763

tetradic

#63D3F7 #D163F7 #F78763 #89F763

square

#63D3F7 #D163F7 #F78763 #89F763

split-complementary

#63D3F7 #F76389 #F7D163

monochromatic

#0BA4D5 #29C3F4 #63D3F7 #9DE3FA #D7F4FD

Accessibility & contrast

On white

1.72

#63D3F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.19

#63D3F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D3F7

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D3F7	#FFFFFF	#000000	##000000
##63D3F7	1.00	1.72	12.19	12.19
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.19	21.00	1.00	1.00
##000000	12.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BECEF9

Deuteranopia (green-blind)

#A9BEF7

Tritanopia (blue-blind)

#00DEDE

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #63d3f7;
/* rgb */ color: rgb(99, 211, 247);
/* oklch */ color: oklch(81.5% 0.113 222.0);

Tailwind

colors: {
  custom: {
    50: '#9ce0fa',
    500: '#63d3f7',
    950: '#000000',
  },
}

SCSS

$custom: #63d3f7;
$custom-light: #9ce0fa;
$custom-dark: #000000;

JSON

{
  "hex": "#63d3f7",
  "rgb": {
    "r": 99,
    "g": 211,
    "b": 247
  },
  "hsl": {
    "h": 194.595,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.81528,
    "c": 0.11331,
    "h": 222
  },
  "luminance": 0.55957
}

Semantic roles & 50–950 ramp

primary

#63D3F7

secondary

#CF562F

accent

#3800E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D3F7

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

Preview Lab → · Contrast checker → · Palette generator →