#63D4F0#63D4F0

#63D4F0 is a light, moderate cyan. Relative luminance 0.560; OKLCH L 81.5% C 0.109 H 216.5°. Best body text is #000000 at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#63D4F0
RGB	rgb(99, 212, 240)
HSL	hsl(192, 82%, 66%)
HSV	hsv(192, 59%, 94%)
CMYK	cmyk(58.8%, 11.7%, 0%, 5.9%)
CIE-LAB	lab(79.63, -24.20, -23.44)
CIE-LCH	lch(79.63, 33.69, 224.08°)
OKLab	oklab(81.48% -0.0879 -0.0651)
OKLCH	oklch(81.48% 0.109 216.5)
XYZ	xyz(44.4109, 56.0265, 90.8949)
Luminance	0.5603 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D4F0 #F07F63

analogous

#63F0C6 #63D4F0 #638EF0

triadic

#63D4F0 #F063D4 #D4F063

tetradic

#63D4F0 #C663F0 #F07F63 #8EF063

square

#63D4F0 #C663F0 #F07F63 #8EF063

split-complementary

#63D4F0 #F0638E #F0C663

monochromatic

#13A2C6 #2BC5EB #63D4F0 #9BE3F5 #D3F3FB

Accessibility & contrast

On white

1.72

#63D4F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.21

#63D4F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D4F0

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D4F0	#FFFFFF	#000000	##000000
##63D4F0	1.00	1.72	12.21	12.21
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.21	21.00	1.00	1.00
##000000	12.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1CEF2

Deuteranopia (green-blind)

#ACBFF0

Tritanopia (blue-blind)

#00DEDD

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #63d4f0;
/* rgb */ color: rgb(99, 212, 240);
/* oklch */ color: oklch(81.5% 0.109 216.5);

Tailwind

colors: {
  custom: {
    50: '#9ce1f5',
    500: '#63d4f0',
    950: '#000000',
  },
}

SCSS

$custom: #63d4f0;
$custom-light: #9ce1f5;
$custom-dark: #000000;

JSON

{
  "hex": "#63d4f0",
  "rgb": {
    "r": 99,
    "g": 212,
    "b": 240
  },
  "hsl": {
    "h": 191.915,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.81482,
    "c": 0.10934,
    "h": 216.5
  },
  "luminance": 0.56031
}

Semantic roles & 50–950 ramp

primary

#63D4F0

secondary

#C35134

accent

#3207DF

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D4F0

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

Preview Lab → · Contrast checker → · Palette generator →