#63CEFF#63CEFF

#63CEFF is a light, vivid cyan. Relative luminance 0.540; OKLCH L 80.7% C 0.120 H 230.6°. Best body text is #000000 at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#63CEFF
RGB	rgb(99, 206, 255)
HSL	hsl(199, 100%, 69%)
HSV	hsv(199, 61%, 100%)
CMYK	cmyk(61.2%, 19.2%, 0%, 0%)
CIE-LAB	lab(78.47, -16.74, -33.22)
CIE-LCH	lch(78.47, 37.20, 243.25°)
OKLab	oklab(80.73% -0.0762 -0.0928)
OKLCH	oklch(80.73% 0.12 230.6)
XYZ	xyz(45.2599, 54.0107, 102.6283)
Luminance	0.5402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CEFF #FF9463

analogous

#63FFE2 #63CEFF #6380FF

triadic

#63CEFF #FF63CE #CEFF63

tetradic

#63CEFF #E263FF #FF9463 #80FF63

square

#63CEFF #E263FF #FF9463 #80FF63

split-complementary

#63CEFF #FF6380 #FFE263

monochromatic

#009FE8 #26BBFF #63CEFF #A0E1FF #DDF4FF

Accessibility & contrast

On white

1.78

#63CEFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.80

#63CEFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CEFF

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CEFF	#FFFFFF	#000000	##000000
##63CEFF	1.00	1.78	11.80	11.80
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.80	21.00	1.00	1.00
##000000	11.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5CBFF

Deuteranopia (green-blind)

#9FBBFE

Tritanopia (blue-blind)

#00DCDE

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #63ceff;
/* rgb */ color: rgb(99, 206, 255);
/* oklch */ color: oklch(80.7% 0.120 230.6);

Tailwind

colors: {
  custom: {
    50: '#9dddff',
    500: '#63ceff',
    950: '#000000',
  },
}

SCSS

$custom: #63ceff;
$custom-light: #9dddff;
$custom-dark: #000000;

JSON

{
  "hex": "#63ceff",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 255
  },
  "hsl": {
    "h": 198.846,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.80731,
    "c": 0.12013,
    "h": 230.6
  },
  "luminance": 0.54015
}

Semantic roles & 50–950 ramp

primary

#63CEFF

secondary

#DA632C

accent

#4800E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1518

muted

#808486

Preview Lab

Preview with #63CEFF

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

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