#63CFE7#63CFE7

#63CFE7 is a light, moderate cyan. Relative luminance 0.530; OKLCH L 80.0% C 0.104 H 214.4°. Best body text is #000000 at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#63CFE7
RGB	rgb(99, 207, 231)
HSL	hsl(191, 73%, 65%)
HSV	hsv(191, 57%, 91%)
CMYK	cmyk(57.1%, 10.4%, 0%, 9.4%)
CIE-LAB	lab(77.90, -24.28, -21.25)
CIE-LCH	lch(77.90, 32.27, 221.20°)
OKLab	oklab(80% -0.0861 -0.0589)
OKLCH	oklch(80% 0.104 214.4)
XYZ	xyz(41.8764, 53.0437, 83.6174)
Luminance	0.5305 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CFE7 #E77B63

analogous

#63E7BD #63CFE7 #638DE7

triadic

#63CFE7 #E763CF #CFE763

tetradic

#63CFE7 #BD63E7 #E77B63 #8DE763

square

#63CFE7 #BD63E7 #E77B63 #8DE763

split-complementary

#63CFE7 #E7638D #E7BD63

monochromatic

#1C98B4 #2EBFDF #63CFE7 #98DFEF #CDF0F7

Accessibility & contrast

On white

1.81

#63CFE7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.61

#63CFE7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CFE7

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CFE7	#FFFFFF	#000000	##000000
##63CFE7	1.00	1.81	11.61	11.61
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.61	21.00	1.00	1.00
##000000	11.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEC9E8

Deuteranopia (green-blind)

#AABAE7

Tritanopia (blue-blind)

#00D8D6

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63cfe7;
/* rgb */ color: rgb(99, 207, 231);
/* oklch */ color: oklch(80.0% 0.104 214.4);

Tailwind

colors: {
  custom: {
    50: '#9adeee',
    500: '#63cfe7',
    950: '#000000',
  },
}

SCSS

$custom: #63cfe7;
$custom-light: #9adeee;
$custom-dark: #000000;

JSON

{
  "hex": "#63cfe7",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 231
  },
  "hsl": {
    "h": 190.909,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.79996,
    "c": 0.10429,
    "h": 214.4
  },
  "luminance": 0.53048
}

Semantic roles & 50–950 ramp

primary

#63CFE7

secondary

#B4503A

accent

#3410D5

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63CFE7

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

Preview Lab → · Contrast checker → · Palette generator →