#63CCF7#63CCF7

#63CCF7 is a light, moderate cyan. Relative luminance 0.526; OKLCH L 79.9% C 0.114 H 227.6°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#63CCF7
RGB	rgb(99, 204, 247)
HSL	hsl(197, 90%, 68%)
HSV	hsv(197, 60%, 97%)
CMYK	cmyk(59.9%, 17.4%, 0%, 3.1%)
CIE-LAB	lab(77.61, -18.10, -30.27)
CIE-LCH	lch(77.61, 35.27, 239.12°)
OKLab	oklab(79.95% -0.077 -0.0844)
OKLCH	oklch(79.95% 0.114 227.6)
XYZ	xyz(43.5204, 52.5495, 95.8272)
Luminance	0.5255 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CCF7 #F78E63

analogous

#63F7D8 #63CCF7 #6382F7

triadic

#63CCF7 #F763CC #CCF763

tetradic

#63CCF7 #D863F7 #F78E63 #82F763

square

#63CCF7 #D863F7 #F78E63 #82F763

split-complementary

#63CCF7 #F76382 #F7D863

monochromatic

#0B9AD5 #29B9F4 #63CCF7 #9DDFFA #D7F2FD

Accessibility & contrast

On white

1.82

#63CCF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.51

#63CCF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CCF7

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CCF7	#FFFFFF	#000000	##000000
##63CCF7	1.00	1.82	11.51	11.51
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.51	21.00	1.00	1.00
##000000	11.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5C9F9

Deuteranopia (green-blind)

#A0B9F6

Tritanopia (blue-blind)

#00D8DA

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #63ccf7;
/* rgb */ color: rgb(99, 204, 247);
/* oklch */ color: oklch(79.9% 0.114 227.6);

Tailwind

colors: {
  custom: {
    50: '#9cdbfa',
    500: '#63ccf7',
    950: '#000000',
  },
}

SCSS

$custom: #63ccf7;
$custom-light: #9cdbfa;
$custom-dark: #000000;

JSON

{
  "hex": "#63ccf7",
  "rgb": {
    "r": 99,
    "g": 204,
    "b": 247
  },
  "hsl": {
    "h": 197.432,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.79948,
    "c": 0.11426,
    "h": 227.6
  },
  "luminance": 0.52554
}

Semantic roles & 50–950 ramp

primary

#63CCF7

secondary

#CF5D2F

accent

#4300E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CCF7

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

Preview Lab → · Contrast checker → · Palette generator →