#63C8FD#63C8FD

#63C8FD is a light, vivid cyan. Relative luminance 0.511; OKLCH L 79.3% C 0.121 H 234.0°. Best body text is #000000 at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#63C8FD
RGB	rgb(99, 200, 253)
HSL	hsl(201, 97%, 69%)
HSV	hsv(201, 61%, 99%)
CMYK	cmyk(60.9%, 20.9%, 0%, 0.8%)
CIE-LAB	lab(76.71, -14.22, -34.87)
CIE-LCH	lch(76.71, 37.66, 247.81°)
OKLab	oklab(79.31% -0.0708 -0.0976)
OKLCH	oklch(79.31% 0.121 234)
XYZ	xyz(43.5227, 51.0487, 100.4692)
Luminance	0.5105 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8FD #FD9863

analogous

#63FDE5 #63C8FD #637BFD

triadic

#63C8FD #FD63C8 #C8FD63

tetradic

#63C8FD #E563FD #FD9863 #7BFD63

square

#63C8FD #E563FD #FD9863 #7BFD63

split-complementary

#63C8FD #FD637B #FDE563

monochromatic

#0396E3 #27B3FC #63C8FD #9FDDFE #DCF3FF

Accessibility & contrast

On white

1.87

#63C8FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.21

#63C8FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8FD

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8FD	#FFFFFF	#000000	##000000
##63C8FD	1.00	1.87	11.21	11.21
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.21	21.00	1.00	1.00
##000000	11.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEC6FF

Deuteranopia (green-blind)

#99B6FC

Tritanopia (blue-blind)

#00D6DA

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #63c8fd;
/* rgb */ color: rgb(99, 200, 253);
/* oklch */ color: oklch(79.3% 0.121 234.0);

Tailwind

colors: {
  custom: {
    50: '#9cd8fe',
    500: '#63c8fd',
    950: '#000000',
  },
}

SCSS

$custom: #63c8fd;
$custom-light: #9cd8fe;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8fd",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 253
  },
  "hsl": {
    "h": 200.649,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.79306,
    "c": 0.12055,
    "h": 234
  },
  "luminance": 0.51053
}

Semantic roles & 50–950 ramp

primary

#63C8FD

secondary

#D7682D

accent

#4F00E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1417

muted

#808385

Preview Lab

Preview with #63C8FD

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

Preview Lab → · Contrast checker → · Palette generator →