#63D1F5#63D1F5

#63D1F5 is a light, moderate cyan. Relative luminance 0.548; OKLCH L 81.0% C 0.112 H 222.3°. Best body text is #000000 at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#63D1F5
RGB	rgb(99, 209, 245)
HSL	hsl(195, 88%, 67%)
HSV	hsv(195, 60%, 96%)
CMYK	cmyk(59.6%, 14.7%, 0%, 3.9%)
CIE-LAB	lab(78.95, -21.25, -27.14)
CIE-LCH	lch(78.95, 34.47, 231.95°)
OKLab	oklab(81% -0.0829 -0.0755)
OKLCH	oklch(81% 0.112 222.3)
XYZ	xyz(44.4210, 54.8417, 94.6130)
Luminance	0.5485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D1F5 #F58763

analogous

#63F5D0 #63D1F5 #6388F5

triadic

#63D1F5 #F563D1 #D1F563

tetradic

#63D1F5 #D063F5 #F58763 #88F563

square

#63D1F5 #D063F5 #F58763 #88F563

split-complementary

#63D1F5 #F56388 #F5D063

monochromatic

#0DA0D0 #29C0F1 #63D1F5 #9DE2F9 #D6F3FC

Accessibility & contrast

On white

1.75

#63D1F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.97

#63D1F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D1F5

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D1F5	#FFFFFF	#000000	##000000
##63D1F5	1.00	1.75	11.97	11.97
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.97	21.00	1.00	1.00
##000000	11.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCCF7

Deuteranopia (green-blind)

#A7BDF5

Tritanopia (blue-blind)

#00DCDC

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #63d1f5;
/* rgb */ color: rgb(99, 209, 245);
/* oklch */ color: oklch(81.0% 0.112 222.3);

Tailwind

colors: {
  custom: {
    50: '#9cdff8',
    500: '#63d1f5',
    950: '#000000',
  },
}

SCSS

$custom: #63d1f5;
$custom-light: #9cdff8;
$custom-dark: #000000;

JSON

{
  "hex": "#63d1f5",
  "rgb": {
    "r": 99,
    "g": 209,
    "b": 245
  },
  "hsl": {
    "h": 194.795,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.80996,
    "c": 0.11214,
    "h": 222.3
  },
  "luminance": 0.54846
}

Semantic roles & 50–950 ramp

primary

#63D1F5

secondary

#CC5730

accent

#3901E5

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D1F5

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

Preview Lab → · Contrast checker → · Palette generator →