#63C8FC#63C8FC

#63C8FC is a light, moderate cyan. Relative luminance 0.510; OKLCH L 79.3% C 0.120 H 233.5°. Best body text is #000000 at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#63C8FC
RGB	rgb(99, 200, 252)
HSL	hsl(200, 96%, 69%)
HSV	hsv(200, 61%, 99%)
CMYK	cmyk(60.7%, 20.6%, 0%, 1.2%)
CIE-LAB	lab(76.67, -14.52, -34.39)
CIE-LCH	lch(76.67, 37.33, 247.11°)
OKLab	oklab(79.26% -0.0711 -0.0962)
OKLCH	oklch(79.26% 0.12 233.5)
XYZ	xyz(43.3638, 50.9852, 99.6324)
Luminance	0.5099 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8FC #FC9763

analogous

#63FCE3 #63C8FC #637CFC

triadic

#63C8FC #FC63C8 #C8FC63

tetradic

#63C8FC #E363FC #FC9763 #7CFC63

square

#63C8FC #E363FC #FC9763 #7CFC63

split-complementary

#63C8FC #FC637C #FCE363

monochromatic

#0496E0 #27B3FB #63C8FC #9FDDFD #DBF2FE

Accessibility & contrast

On white

1.88

#63C8FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.20

#63C8FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8FC

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8FC	#FFFFFF	#000000	##000000
##63C8FC	1.00	1.88	11.20	11.20
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.20	21.00	1.00	1.00
##000000	11.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFC6FF

Deuteranopia (green-blind)

#9AB6FB

Tritanopia (blue-blind)

#00D6D9

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #63c8fc;
/* rgb */ color: rgb(99, 200, 252);
/* oklch */ color: oklch(79.3% 0.120 233.5);

Tailwind

colors: {
  custom: {
    50: '#9cd8fd',
    500: '#63c8fc',
    950: '#000000',
  },
}

SCSS

$custom: #63c8fc;
$custom-light: #9cd8fd;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8fc",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 252
  },
  "hsl": {
    "h": 200.392,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.79262,
    "c": 0.11965,
    "h": 233.5
  },
  "luminance": 0.50989
}

Semantic roles & 50–950 ramp

primary

#63C8FC

secondary

#D6672D

accent

#4E00E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1417

muted

#808385

Preview Lab

Preview with #63C8FC

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

Preview Lab → · Contrast checker → · Palette generator →