#63CDEB#63CDEB

#63CDEB is a light, moderate cyan. Relative luminance 0.523; OKLCH L 79.7% C 0.106 H 219.0°. Best body text is #000000 at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#63CDEB
RGB	rgb(99, 205, 235)
HSL	hsl(193, 77%, 65%)
HSV	hsv(193, 58%, 92%)
CMYK	cmyk(57.9%, 12.8%, 0%, 7.8%)
CIE-LAB	lab(77.47, -22.13, -24.06)
CIE-LCH	lch(77.47, 32.69, 227.39°)
OKLab	oklab(79.69% -0.0824 -0.0668)
OKLCH	oklch(79.69% 0.106 219)
XYZ	xyz(41.9664, 52.3094, 86.4663)
Luminance	0.5231 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CDEB #EB8163

analogous

#63EBC5 #63CDEB #6389EB

triadic

#63CDEB #EB63CD #CDEB63

tetradic

#63CDEB #C563EB #EB8163 #89EB63

square

#63CDEB #C563EB #EB8163 #89EB63

split-complementary

#63CDEB #EB6389 #EBC563

monochromatic

#1897BC #2DBCE4 #63CDEB #99DEF2 #CFF0F9

Accessibility & contrast

On white

1.83

#63CDEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.46

#63CDEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CDEB

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CDEB	#FFFFFF	#000000	##000000
##63CDEB	1.00	1.83	11.46	11.46
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.46	21.00	1.00	1.00
##000000	11.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAC8ED

Deuteranopia (green-blind)

#A6B9EB

Tritanopia (blue-blind)

#00D7D6

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #63cdeb;
/* rgb */ color: rgb(99, 205, 235);
/* oklch */ color: oklch(79.7% 0.106 219.0);

Tailwind

colors: {
  custom: {
    50: '#9bdcf1',
    500: '#63cdeb',
    950: '#000000',
  },
}

SCSS

$custom: #63cdeb;
$custom-light: #9bdcf1;
$custom-dark: #000000;

JSON

{
  "hex": "#63cdeb",
  "rgb": {
    "r": 99,
    "g": 205,
    "b": 235
  },
  "hsl": {
    "h": 193.235,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.79692,
    "c": 0.1061,
    "h": 219
  },
  "luminance": 0.52313
}

Semantic roles & 50–950 ramp

primary

#63CDEB

secondary

#BB5438

accent

#390CDA

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63CDEB

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

Preview Lab → · Contrast checker → · Palette generator →