#63CFF1#63CFF1

#63CFF1 is a light, moderate cyan. Relative luminance 0.536; OKLCH L 80.4% C 0.110 H 221.4°. Best body text is #000000 at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#63CFF1
RGB	rgb(99, 207, 241)
HSL	hsl(194, 84%, 67%)
HSV	hsv(194, 59%, 95%)
CMYK	cmyk(58.9%, 14.1%, 0%, 5.5%)
CIE-LAB	lab(78.24, -21.40, -26.09)
CIE-LCH	lch(78.24, 33.74, 230.63°)
OKLab	oklab(80.38% -0.0823 -0.0725)
OKLCH	oklch(80.38% 0.11 221.4)
XYZ	xyz(43.3293, 53.6249, 91.2692)
Luminance	0.5363 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CFF1 #F18563

analogous

#63F1CC #63CFF1 #6388F1

triadic

#63CFF1 #F163CF #CFF163

tetradic

#63CFF1 #CC63F1 #F18563 #88F163

square

#63CFF1 #CC63F1 #F18563 #88F163

split-complementary

#63CFF1 #F16388 #F1CC63

monochromatic

#129CC8 #2BBEEC #63CFF1 #9BE0F6 #D3F2FB

Accessibility & contrast

On white

1.79

#63CFF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.73

#63CFF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CFF1

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CFF1	#FFFFFF	#000000	##000000
##63CFF1	1.00	1.79	11.73	11.73
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.73	21.00	1.00	1.00
##000000	11.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBCAF3

Deuteranopia (green-blind)

#A6BBF1

Tritanopia (blue-blind)

#00DADA

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63cff1;
/* rgb */ color: rgb(99, 207, 241);
/* oklch */ color: oklch(80.4% 0.110 221.4);

Tailwind

colors: {
  custom: {
    50: '#9bddf5',
    500: '#63cff1',
    950: '#000000',
  },
}

SCSS

$custom: #63cff1;
$custom-light: #9bddf5;
$custom-dark: #000000;

JSON

{
  "hex": "#63cff1",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 241
  },
  "hsl": {
    "h": 194.366,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.80383,
    "c": 0.1097,
    "h": 221.4
  },
  "luminance": 0.53629
}

Semantic roles & 50–950 ramp

primary

#63CFF1

secondary

#C55634

accent

#3A06E0

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CFF1

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

Preview Lab → · Contrast checker → · Palette generator →