#63CDF0#63CDF0

#63CDF0 is a light, moderate cyan. Relative luminance 0.526; OKLCH L 79.9% C 0.109 H 222.4°. Best body text is #000000 at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#63CDF0
RGB	rgb(99, 205, 240)
HSL	hsl(195, 82%, 66%)
HSV	hsv(195, 59%, 94%)
CMYK	cmyk(58.8%, 14.6%, 0%, 5.9%)
CIE-LAB	lab(77.64, -20.68, -26.47)
CIE-LCH	lch(77.64, 33.59, 232.00°)
OKLab	oklab(79.89% -0.0806 -0.0736)
OKLCH	oklch(79.89% 0.109 222.4)
XYZ	xyz(42.6989, 52.6024, 90.3242)
Luminance	0.5261 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CDF0 #F08663

analogous

#63F0CD #63CDF0 #6387F0

triadic

#63CDF0 #F063CD #CDF063

tetradic

#63CDF0 #CD63F0 #F08663 #87F063

square

#63CDF0 #CD63F0 #F08663 #87F063

split-complementary

#63CDF0 #F06387 #F0CD63

monochromatic

#1399C6 #2BBBEB #63CDF0 #9BDFF5 #D3F1FB

Accessibility & contrast

On white

1.82

#63CDF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.52

#63CDF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CDF0

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CDF0	#FFFFFF	#000000	##000000
##63CDF0	1.00	1.82	11.52	11.52
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.52	21.00	1.00	1.00
##000000	11.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9C8F2

Deuteranopia (green-blind)

#A4B9F0

Tritanopia (blue-blind)

#00D8D8

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #63cdf0;
/* rgb */ color: rgb(99, 205, 240);
/* oklch */ color: oklch(79.9% 0.109 222.4);

Tailwind

colors: {
  custom: {
    50: '#9bdcf5',
    500: '#63cdf0',
    950: '#000000',
  },
}

SCSS

$custom: #63cdf0;
$custom-light: #9bdcf5;
$custom-dark: #000000;

JSON

{
  "hex": "#63cdf0",
  "rgb": {
    "r": 99,
    "g": 205,
    "b": 240
  },
  "hsl": {
    "h": 194.894,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.79889,
    "c": 0.10915,
    "h": 222.4
  },
  "luminance": 0.52607
}

Semantic roles & 50–950 ramp

primary

#63CDF0

secondary

#C35834

accent

#3C07DF

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CDF0

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

Preview Lab → · Contrast checker → · Palette generator →