#63C0FC#63C0FC

#63C0FC is a light, vivid cyan. Relative luminance 0.474; OKLCH L 77.5% C 0.123 H 239.4°. Best body text is #000000 at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#63C0FC
RGB	rgb(99, 192, 252)
HSL	hsl(204, 96%, 69%)
HSV	hsv(204, 61%, 99%)
CMYK	cmyk(60.7%, 23.8%, 0%, 1.2%)
CIE-LAB	lab(74.43, -10.28, -37.86)
CIE-LCH	lch(74.43, 39.23, 254.81°)
OKLab	oklab(77.48% -0.0629 -0.1062)
OKLCH	oklch(77.48% 0.123 239.4)
XYZ	xyz(41.5593, 47.3762, 99.0309)
Luminance	0.4738 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C0FC #FC9F63

analogous

#63FCEB #63C0FC #6374FC

triadic

#63C0FC #FC63C0 #C0FC63

tetradic

#63C0FC #EB63FC #FC9F63 #74FC63

square

#63C0FC #EB63FC #FC9F63 #74FC63

split-complementary

#63C0FC #FC6374 #FCEB63

monochromatic

#048AE0 #27A8FB #63C0FC #9FD8FD #DBF0FE

Accessibility & contrast

On white

2.00

#63C0FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.48

#63C0FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C0FC

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C0FC	#FFFFFF	#000000	##000000
##63C0FC	1.00	2.00	10.48	10.48
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.48	21.00	1.00	1.00
##000000	10.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5C0FF

Deuteranopia (green-blind)

#90B0FB

Tritanopia (blue-blind)

#00CFD4

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #63c0fc;
/* rgb */ color: rgb(99, 192, 252);
/* oklch */ color: oklch(77.5% 0.123 239.4);

Tailwind

colors: {
  custom: {
    50: '#9cd2fd',
    500: '#63c0fc',
    950: '#000000',
  },
}

SCSS

$custom: #63c0fc;
$custom-light: #9cd2fd;
$custom-dark: #000000;

JSON

{
  "hex": "#63c0fc",
  "rgb": {
    "r": 99,
    "g": 192,
    "b": 252
  },
  "hsl": {
    "h": 203.529,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.77484,
    "c": 0.12345,
    "h": 239.4
  },
  "luminance": 0.4738
}

Semantic roles & 50–950 ramp

primary

#63C0FC

secondary

#F4D9C7

accent

#5A00E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63C0FC

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

Preview Lab → · Contrast checker → · Palette generator →