#63CCF6#63CCF6

#63CCF6 is a light, moderate cyan. Relative luminance 0.525; OKLCH L 79.9% C 0.114 H 227.0°. Best body text is #000000 at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#63CCF6
RGB	rgb(99, 204, 246)
HSL	hsl(197, 89%, 68%)
HSV	hsv(197, 60%, 96%)
CMYK	cmyk(59.8%, 17.1%, 0%, 3.5%)
CIE-LAB	lab(77.57, -18.40, -29.79)
CIE-LCH	lch(77.57, 35.02, 238.30°)
OKLab	oklab(79.91% -0.0773 -0.0831)
OKLCH	oklch(79.91% 0.114 227)
XYZ	xyz(43.3665, 52.4879, 95.0167)
Luminance	0.5249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CCF6 #F68D63

analogous

#63F6D7 #63CCF6 #6382F6

triadic

#63CCF6 #F663CC #CCF663

tetradic

#63CCF6 #D763F6 #F68D63 #82F663

square

#63CCF6 #D763F6 #F68D63 #82F663

split-complementary

#63CCF6 #F66382 #F6D763

monochromatic

#0C9AD2 #29B9F3 #63CCF6 #9DDFF9 #D7F2FD

Accessibility & contrast

On white

1.83

#63CCF6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.50

#63CCF6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CCF6

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CCF6	#FFFFFF	#000000	##000000
##63CCF6	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)

#B6C8F8

Deuteranopia (green-blind)

#A1B9F6

Tritanopia (blue-blind)

#00D8DA

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #63ccf6;
/* rgb */ color: rgb(99, 204, 246);
/* oklch */ color: oklch(79.9% 0.114 227.0);

Tailwind

colors: {
  custom: {
    50: '#9cdbf9',
    500: '#63ccf6',
    950: '#000000',
  },
}

SCSS

$custom: #63ccf6;
$custom-light: #9cdbf9;
$custom-dark: #000000;

JSON

{
  "hex": "#63ccf6",
  "rgb": {
    "r": 99,
    "g": 204,
    "b": 246
  },
  "hsl": {
    "h": 197.143,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.79906,
    "c": 0.1135,
    "h": 227
  },
  "luminance": 0.52492
}

Semantic roles & 50–950 ramp

primary

#63CCF6

secondary

#CE5D30

accent

#4200E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CCF6

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

Preview Lab → · Contrast checker → · Palette generator →