#63CCF8#63CCF8

#63CCF8 is a light, moderate cyan. Relative luminance 0.526; OKLCH L 80.0% C 0.115 H 228.2°. Best body text is #000000 at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#63CCF8
RGB	rgb(99, 204, 248)
HSL	hsl(198, 91%, 68%)
HSV	hsv(198, 60%, 97%)
CMYK	cmyk(60.1%, 17.7%, 0%, 2.7%)
CIE-LAB	lab(77.64, -17.81, -30.75)
CIE-LCH	lch(77.64, 35.53, 239.92°)
OKLab	oklab(79.99% -0.0766 -0.0858)
OKLCH	oklch(79.99% 0.115 228.2)
XYZ	xyz(43.6751, 52.6114, 96.6421)
Luminance	0.5262 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CCF8 #F88F63

analogous

#63F8D9 #63CCF8 #6381F8

triadic

#63CCF8 #F863CC #CCF863

tetradic

#63CCF8 #D963F8 #F88F63 #81F863

square

#63CCF8 #D963F8 #F88F63 #81F863

split-complementary

#63CCF8 #F86381 #F8D963

monochromatic

#0A9AD7 #28B9F5 #63CCF8 #9EDFFB #D8F2FD

Accessibility & contrast

On white

1.82

#63CCF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.52

#63CCF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CCF8

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CCF8	#FFFFFF	#000000	##000000
##63CCF8	1.00	1.82	11.52	11.52
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.52	21.00	1.00	1.00
##000000	11.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5C9FA

Deuteranopia (green-blind)

#A0B9F7

Tritanopia (blue-blind)

#00D9DA

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #63ccf8;
/* rgb */ color: rgb(99, 204, 248);
/* oklch */ color: oklch(80.0% 0.115 228.2);

Tailwind

colors: {
  custom: {
    50: '#9cdbfa',
    500: '#63ccf8',
    950: '#000000',
  },
}

SCSS

$custom: #63ccf8;
$custom-light: #9cdbfa;
$custom-dark: #000000;

JSON

{
  "hex": "#63ccf8",
  "rgb": {
    "r": 99,
    "g": 204,
    "b": 248
  },
  "hsl": {
    "h": 197.718,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.79989,
    "c": 0.11502,
    "h": 228.2
  },
  "luminance": 0.52616
}

Semantic roles & 50–950 ramp

primary

#63CCF8

secondary

#D15E2E

accent

#4400E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CCF8

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

Preview Lab → · Contrast checker → · Palette generator →