#63C3FC#63C3FC

#63C3FC is a light, vivid cyan. Relative luminance 0.487; OKLCH L 78.1% C 0.122 H 237.2°. Best body text is #000000 at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#63C3FC
RGB	rgb(99, 195, 252)
HSL	hsl(202, 96%, 69%)
HSV	hsv(202, 61%, 99%)
CMYK	cmyk(60.7%, 22.6%, 0%, 1.2%)
CIE-LAB	lab(75.27, -11.88, -36.56)
CIE-LCH	lch(75.27, 38.44, 251.99°)
OKLab	oklab(78.15% -0.066 -0.1025)
OKLCH	oklch(78.15% 0.122 237.2)
XYZ	xyz(42.2247, 48.7070, 99.2527)
Luminance	0.4871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C3FC #FC9C63

analogous

#63FCE9 #63C3FC #6377FC

triadic

#63C3FC #FC63C3 #C3FC63

tetradic

#63C3FC #E963FC #FC9C63 #77FC63

square

#63C3FC #E963FC #FC9C63 #77FC63

split-complementary

#63C3FC #FC6377 #FCE963

monochromatic

#048EE0 #27ACFB #63C3FC #9FDAFD #DBF1FE

Accessibility & contrast

On white

1.95

#63C3FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.74

#63C3FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C3FC

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C3FC	#FFFFFF	#000000	##000000
##63C3FC	1.00	1.95	10.74	10.74
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.74	21.00	1.00	1.00
##000000	10.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8C2FF

Deuteranopia (green-blind)

#93B3FB

Tritanopia (blue-blind)

#00D2D6

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #63c3fc;
/* rgb */ color: rgb(99, 195, 252);
/* oklch */ color: oklch(78.1% 0.122 237.2);

Tailwind

colors: {
  custom: {
    50: '#9cd5fd',
    500: '#63c3fc',
    950: '#000000',
  },
}

SCSS

$custom: #63c3fc;
$custom-light: #9cd5fd;
$custom-dark: #000000;

JSON

{
  "hex": "#63c3fc",
  "rgb": {
    "r": 99,
    "g": 195,
    "b": 252
  },
  "hsl": {
    "h": 202.353,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.78149,
    "c": 0.12187,
    "h": 237.2
  },
  "luminance": 0.48711
}

Semantic roles & 50–950 ramp

primary

#63C3FC

secondary

#F4D8C7

accent

#5600E6

background

#FAFDFF

surface

#F4FAFF

border

#CED3D7

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C3FC

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

Preview Lab → · Contrast checker → · Palette generator →