#63DCFD#63DCFD

#63DCFD is a very light, moderate cyan. Relative luminance 0.609; OKLCH L 83.8% C 0.117 H 218.6°. Best body text is #000000 at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#63DCFD
RGB	rgb(99, 220, 253)
HSL	hsl(193, 97%, 69%)
HSV	hsv(193, 61%, 99%)
CMYK	cmyk(60.9%, 13%, 0%, 0.8%)
CIE-LAB	lab(82.34, -24.43, -26.22)
CIE-LCH	lch(82.34, 35.84, 227.02°)
OKLab	oklab(83.8% -0.0912 -0.0729)
OKLCH	oklch(83.8% 0.117 218.6)
XYZ	xyz(48.4613, 60.9259, 102.1154)
Luminance	0.6093 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DCFD #FD8463

analogous

#63FDD1 #63DCFD #638FFD

triadic

#63DCFD #FD63DC #DCFD63

tetradic

#63DCFD #D163FD #FD8463 #8FFD63

square

#63DCFD #D163FD #FD8463 #8FFD63

split-complementary

#63DCFD #FD638F #FDD163

monochromatic

#03B3E3 #27CEFC #63DCFD #9FEAFE #DCF7FF

Accessibility & contrast

On white

1.59

#63DCFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.19

#63DCFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DCFD

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DCFD	#FFFFFF	#000000	##000000
##63DCFD	1.00	1.59	13.19	13.19
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.19	21.00	1.00	1.00
##000000	13.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7D6FF

Deuteranopia (green-blind)

#B1C6FD

Tritanopia (blue-blind)

#00E7E6

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #63dcfd;
/* rgb */ color: rgb(99, 220, 253);
/* oklch */ color: oklch(83.8% 0.117 218.6);

Tailwind

colors: {
  custom: {
    50: '#9de7fe',
    500: '#63dcfd',
    950: '#000000',
  },
}

SCSS

$custom: #63dcfd;
$custom-light: #9de7fe;
$custom-dark: #000000;

JSON

{
  "hex": "#63dcfd",
  "rgb": {
    "r": 99,
    "g": 220,
    "b": 253
  },
  "hsl": {
    "h": 192.857,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.83801,
    "c": 0.11676,
    "h": 218.6
  },
  "luminance": 0.60931
}

Semantic roles & 50–950 ramp

primary

#63DCFD

secondary

#D7512D

accent

#3100E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101617

muted

#808485

Preview Lab

Preview with #63DCFD

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

Preview Lab → · Contrast checker → · Palette generator →