#63C3FE#63C3FE

#63C3FE is a light, vivid cyan. Relative luminance 0.488; OKLCH L 78.2% C 0.124 H 238.2°. Best body text is #000000 at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#63C3FE
RGB	rgb(99, 195, 254)
HSL	hsl(203, 99%, 69%)
HSV	hsv(203, 61%, 100%)
CMYK	cmyk(61%, 23.2%, 0%, 0.4%)
CIE-LAB	lab(75.35, -11.27, -37.51)
CIE-LCH	lch(75.35, 39.17, 253.28°)
OKLab	oklab(78.24% -0.0653 -0.1052)
OKLCH	oklch(78.24% 0.124 238.2)
XYZ	xyz(42.5433, 48.8344, 100.9307)
Luminance	0.4884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C3FE #FE9E63

analogous

#63FEEC #63C3FE #6376FE

triadic

#63C3FE #FE63C3 #C3FE63

tetradic

#63C3FE #EC63FE #FE9E63 #76FE63

square

#63C3FE #EC63FE #FE9E63 #76FE63

split-complementary

#63C3FE #FE6376 #FEEC63

monochromatic

#018EE5 #26ACFE #63C3FE #A0DAFE #DDF2FF

Accessibility & contrast

On white

1.95

#63C3FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.77

#63C3FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C3FE

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C3FE	#FFFFFF	#000000	##000000
##63C3FE	1.00	1.95	10.77	10.77
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.77	21.00	1.00	1.00
##000000	10.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8C2FF

Deuteranopia (green-blind)

#92B3FD

Tritanopia (blue-blind)

#00D2D7

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #63c3fe;
/* rgb */ color: rgb(99, 195, 254);
/* oklch */ color: oklch(78.2% 0.124 238.2);

Tailwind

colors: {
  custom: {
    50: '#9cd5ff',
    500: '#63c3fe',
    950: '#000000',
  },
}

SCSS

$custom: #63c3fe;
$custom-light: #9cd5ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63c3fe",
  "rgb": {
    "r": 99,
    "g": 195,
    "b": 254
  },
  "hsl": {
    "h": 202.839,
    "s": 98.726,
    "l": 69.216
  },
  "oklch": {
    "l": 0.78239,
    "c": 0.12383,
    "h": 238.2
  },
  "luminance": 0.48839
}

Semantic roles & 50–950 ramp

primary

#63C3FE

secondary

#F5D9C8

accent

#5700E6

background

#FAFDFF

surface

#F4FAFF

border

#CED3D7

text

#0F1418

muted

#7F8386

Preview Lab

Preview with #63C3FE

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

Preview Lab → · Contrast checker → · Palette generator →