#63CEE4#63CEE4

#63CEE4 is a light, moderate cyan. Relative luminance 0.524; OKLCH L 79.7% C 0.103 H 213.0°. Best body text is #000000 at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#63CEE4
RGB	rgb(99, 206, 228)
HSL	hsl(190, 70%, 64%)
HSV	hsv(190, 57%, 89%)
CMYK	cmyk(56.6%, 9.6%, 0%, 10.6%)
CIE-LAB	lab(77.52, -24.63, -20.23)
CIE-LCH	lch(77.52, 31.87, 219.39°)
OKLab	oklab(79.65% -0.0862 -0.056)
OKLCH	oklch(79.65% 0.103 213)
XYZ	xyz(41.2149, 52.3927, 81.3245)
Luminance	0.5240 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CEE4 #E47963

analogous

#63E4BA #63CEE4 #638EE4

triadic

#63CEE4 #E463CE #CEE463

tetradic

#63CEE4 #BA63E4 #E47963 #8EE463

square

#63CEE4 #BA63E4 #E47963 #8EE463

split-complementary

#63CEE4 #E4638E #E4BA63

monochromatic

#1E96AE #2FBEDB #63CEE4 #97DEED #CBEFF6

Accessibility & contrast

On white

1.83

#63CEE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.48

#63CEE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CEE4

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CEE4	#FFFFFF	#000000	##000000
##63CEE4	1.00	1.83	11.48	11.48
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.48	21.00	1.00	1.00
##000000	11.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDC8E5

Deuteranopia (green-blind)

#AAB9E4

Tritanopia (blue-blind)

#00D7D5

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #63cee4;
/* rgb */ color: rgb(99, 206, 228);
/* oklch */ color: oklch(79.7% 0.103 213.0);

Tailwind

colors: {
  custom: {
    50: '#9addec',
    500: '#63cee4',
    950: '#000000',
  },
}

SCSS

$custom: #63cee4;
$custom-light: #9addec;
$custom-dark: #000000;

JSON

{
  "hex": "#63cee4",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 228
  },
  "hsl": {
    "h": 190.233,
    "s": 70.492,
    "l": 64.118
  },
  "oklch": {
    "l": 0.79654,
    "c": 0.10278,
    "h": 213
  },
  "luminance": 0.52397
}

Semantic roles & 50–950 ramp

primary

#63CEE4

secondary

#B04F3C

accent

#3413D3

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0F1516

muted

#808484

Preview Lab

Preview with #63CEE4

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

Preview Lab → · Contrast checker → · Palette generator →