#63C1FE#63C1FE

#63C1FE is a light, vivid cyan. Relative luminance 0.479; OKLCH L 77.8% C 0.125 H 239.6°. Best body text is #000000 at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#63C1FE
RGB	rgb(99, 193, 254)
HSL	hsl(204, 99%, 69%)
HSV	hsv(204, 61%, 100%)
CMYK	cmyk(61%, 24%, 0%, 0.4%)
CIE-LAB	lab(74.79, -10.20, -38.38)
CIE-LCH	lch(74.79, 39.71, 255.12°)
OKLab	oklab(77.8% -0.0633 -0.1077)
OKLCH	oklch(77.8% 0.125 239.6)
XYZ	xyz(42.0982, 47.9442, 100.7823)
Luminance	0.4795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C1FE #FEA063

analogous

#63FEEE #63C1FE #6374FE

triadic

#63C1FE #FE63C1 #C1FE63

tetradic

#63C1FE #EE63FE #FEA063 #74FE63

square

#63C1FE #EE63FE #FEA063 #74FE63

split-complementary

#63C1FE #FE6374 #FEEE63

monochromatic

#018CE5 #26A9FE #63C1FE #A0D9FE #DDF1FF

Accessibility & contrast

On white

1.98

#63C1FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.59

#63C1FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C1FE

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C1FE	#FFFFFF	#000000	##000000
##63C1FE	1.00	1.98	10.59	10.59
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.59	21.00	1.00	1.00
##000000	10.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5C1FF

Deuteranopia (green-blind)

#90B1FD

Tritanopia (blue-blind)

#00D0D6

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #63c1fe;
/* rgb */ color: rgb(99, 193, 254);
/* oklch */ color: oklch(77.8% 0.125 239.6);

Tailwind

colors: {
  custom: {
    50: '#9cd3ff',
    500: '#63c1fe',
    950: '#000000',
  },
}

SCSS

$custom: #63c1fe;
$custom-light: #9cd3ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63c1fe",
  "rgb": {
    "r": 99,
    "g": 193,
    "b": 254
  },
  "hsl": {
    "h": 203.613,
    "s": 98.726,
    "l": 69.216
  },
  "oklch": {
    "l": 0.77796,
    "c": 0.12492,
    "h": 239.6
  },
  "luminance": 0.47948
}

Semantic roles & 50–950 ramp

primary

#63C1FE

secondary

#F5DAC8

accent

#5A00E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1418

muted

#7F8286

Preview Lab

Preview with #63C1FE

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

Preview Lab → · Contrast checker → · Palette generator →