#63CEE6#63CEE6

#63CEE6 is a light, moderate cyan. Relative luminance 0.525; OKLCH L 79.7% C 0.104 H 214.5°. Best body text is #000000 at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#63CEE6
RGB	rgb(99, 206, 230)
HSL	hsl(191, 72%, 65%)
HSV	hsv(191, 57%, 90%)
CMYK	cmyk(57%, 10.4%, 0%, 9.8%)
CIE-LAB	lab(77.58, -24.07, -21.20)
CIE-LCH	lch(77.58, 32.07, 221.38°)
OKLab	oklab(79.73% -0.0854 -0.0588)
OKLCH	oklch(79.73% 0.104 214.5)
XYZ	xyz(41.4941, 52.5044, 82.7952)
Luminance	0.5251 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CEE6 #E67B63

analogous

#63E6BC #63CEE6 #638DE6

triadic

#63CEE6 #E663CE #CEE663

tetradic

#63CEE6 #BC63E6 #E67B63 #8DE663

square

#63CEE6 #BC63E6 #E67B63 #8DE663

split-complementary

#63CEE6 #E6638D #E6BC63

monochromatic

#1D97B2 #2EBDDE #63CEE6 #98DFEE #CCEFF7

Accessibility & contrast

On white

1.83

#63CEE6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.50

#63CEE6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CEE6

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CEE6	#FFFFFF	#000000	##000000
##63CEE6	1.00	1.83	11.50	11.50
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.50	21.00	1.00	1.00
##000000	11.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDC8E7

Deuteranopia (green-blind)

#A9B9E6

Tritanopia (blue-blind)

#00D7D5

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #63cee6;
/* rgb */ color: rgb(99, 206, 230);
/* oklch */ color: oklch(79.7% 0.104 214.5);

Tailwind

colors: {
  custom: {
    50: '#9addee',
    500: '#63cee6',
    950: '#000000',
  },
}

SCSS

$custom: #63cee6;
$custom-light: #9addee;
$custom-dark: #000000;

JSON

{
  "hex": "#63cee6",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 230
  },
  "hsl": {
    "h": 190.992,
    "s": 72.376,
    "l": 64.51
  },
  "oklch": {
    "l": 0.79729,
    "c": 0.10366,
    "h": 214.5
  },
  "luminance": 0.52508
}

Semantic roles & 50–950 ramp

primary

#63CEE6

secondary

#B3513B

accent

#3511D4

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63CEE6

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

Preview Lab → · Contrast checker → · Palette generator →