#63C1FC#63C1FC

#63C1FC is a light, vivid cyan. Relative luminance 0.478; OKLCH L 77.7% C 0.123 H 238.7°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#63C1FC
RGB	rgb(99, 193, 252)
HSL	hsl(203, 96%, 69%)
HSV	hsv(203, 61%, 99%)
CMYK	cmyk(60.7%, 23.4%, 0%, 1.2%)
CIE-LAB	lab(74.71, -10.82, -37.43)
CIE-LCH	lch(74.71, 38.96, 253.88°)
OKLab	oklab(77.71% -0.0639 -0.105)
OKLCH	oklch(77.71% 0.123 238.7)
XYZ	xyz(41.7796, 47.8168, 99.1044)
Luminance	0.4782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C1FC #FC9E63

analogous

#63FCEA #63C1FC #6375FC

triadic

#63C1FC #FC63C1 #C1FC63

tetradic

#63C1FC #EA63FC #FC9E63 #75FC63

square

#63C1FC #EA63FC #FC9E63 #75FC63

split-complementary

#63C1FC #FC6375 #FCEA63

monochromatic

#048BE0 #27A9FB #63C1FC #9FD9FD #DBF1FE

Accessibility & contrast

On white

1.99

#63C1FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#63C1FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C1FC

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C1FC	#FFFFFF	#000000	##000000
##63C1FC	1.00	1.99	10.56	10.56
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.56	21.00	1.00	1.00
##000000	10.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6C0FF

Deuteranopia (green-blind)

#91B1FB

Tritanopia (blue-blind)

#00D0D5

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #63c1fc;
/* rgb */ color: rgb(99, 193, 252);
/* oklch */ color: oklch(77.7% 0.123 238.7);

Tailwind

colors: {
  custom: {
    50: '#9cd3fd',
    500: '#63c1fc',
    950: '#000000',
  },
}

SCSS

$custom: #63c1fc;
$custom-light: #9cd3fd;
$custom-dark: #000000;

JSON

{
  "hex": "#63c1fc",
  "rgb": {
    "r": 99,
    "g": 193,
    "b": 252
  },
  "hsl": {
    "h": 203.137,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.77705,
    "c": 0.12291,
    "h": 238.7
  },
  "luminance": 0.47821
}

Semantic roles & 50–950 ramp

primary

#63C1FC

secondary

#F4D8C7

accent

#5800E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63C1FC

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

Preview Lab → · Contrast checker → · Palette generator →