#63D3F5#63D3F5

#63D3F5 is a light, moderate cyan. Relative luminance 0.558; OKLCH L 81.4% C 0.112 H 220.7°. Best body text is #000000 at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#63D3F5
RGB	rgb(99, 211, 245)
HSL	hsl(194, 88%, 67%)
HSV	hsv(194, 60%, 96%)
CMYK	cmyk(59.6%, 13.9%, 0%, 3.9%)
CIE-LAB	lab(79.52, -22.26, -26.28)
CIE-LCH	lch(79.52, 34.44, 229.73°)
OKLab	oklab(81.45% -0.0849 -0.0731)
OKLCH	oklch(81.45% 0.112 220.7)
XYZ	xyz(44.9147, 55.8293, 94.7776)
Luminance	0.5583 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D3F5 #F58563

analogous

#63F5CE #63D3F5 #638AF5

triadic

#63D3F5 #F563D3 #D3F563

tetradic

#63D3F5 #CE63F5 #F58563 #8AF563

square

#63D3F5 #CE63F5 #F58563 #8AF563

split-complementary

#63D3F5 #F5638A #F5CE63

monochromatic

#0DA3D0 #29C3F1 #63D3F5 #9DE3F9 #D6F3FC

Accessibility & contrast

On white

1.73

#63D3F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.17

#63D3F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D3F5

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D3F5	#FFFFFF	#000000	##000000
##63D3F5	1.00	1.73	12.17	12.17
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.17	21.00	1.00	1.00
##000000	12.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BECEF7

Deuteranopia (green-blind)

#A9BEF5

Tritanopia (blue-blind)

#00DEDE

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #63d3f5;
/* rgb */ color: rgb(99, 211, 245);
/* oklch */ color: oklch(81.4% 0.112 220.7);

Tailwind

colors: {
  custom: {
    50: '#9ce0f8',
    500: '#63d3f5',
    950: '#000000',
  },
}

SCSS

$custom: #63d3f5;
$custom-light: #9ce0f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63d3f5",
  "rgb": {
    "r": 99,
    "g": 211,
    "b": 245
  },
  "hsl": {
    "h": 193.973,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.81449,
    "c": 0.11206,
    "h": 220.7
  },
  "luminance": 0.55834
}

Semantic roles & 50–950 ramp

primary

#63D3F5

secondary

#CC5530

accent

#3601E5

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D3F5

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

Preview Lab → · Contrast checker → · Palette generator →