#63CFF4#63CFF4

#63CFF4 is a light, moderate cyan. Relative luminance 0.538; OKLCH L 80.5% C 0.112 H 223.4°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#63CFF4
RGB	rgb(99, 207, 244)
HSL	hsl(195, 87%, 67%)
HSV	hsv(195, 59%, 96%)
CMYK	cmyk(59.4%, 15.2%, 0%, 4.3%)
CIE-LAB	lab(78.35, -20.53, -27.53)
CIE-LCH	lch(78.35, 34.34, 233.29°)
OKLab	oklab(80.5% -0.0812 -0.0766)
OKLCH	oklch(80.5% 0.112 223.4)
XYZ	xyz(43.7811, 53.8056, 93.6487)
Luminance	0.5381 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CFF4 #F48863

analogous

#63F4D0 #63CFF4 #6387F4

triadic

#63CFF4 #F463CF #CFF463

tetradic

#63CFF4 #D063F4 #F48863 #87F463

square

#63CFF4 #D063F4 #F48863 #87F463

split-complementary

#63CFF4 #F46387 #F4D063

monochromatic

#0F9DCE #2ABDF0 #63CFF4 #9CE1F8 #D5F2FC

Accessibility & contrast

On white

1.79

#63CFF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.76

#63CFF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CFF4

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CFF4	#FFFFFF	#000000	##000000
##63CFF4	1.00	1.79	11.76	11.76
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.76	21.00	1.00	1.00
##000000	11.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BACBF6

Deuteranopia (green-blind)

#A5BBF4

Tritanopia (blue-blind)

#00DADB

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #63cff4;
/* rgb */ color: rgb(99, 207, 244);
/* oklch */ color: oklch(80.5% 0.112 223.4);

Tailwind

colors: {
  custom: {
    50: '#9cddf7',
    500: '#63cff4',
    950: '#000000',
  },
}

SCSS

$custom: #63cff4;
$custom-light: #9cddf7;
$custom-dark: #000000;

JSON

{
  "hex": "#63cff4",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 244
  },
  "hsl": {
    "h": 195.31,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.80503,
    "c": 0.11163,
    "h": 223.4
  },
  "luminance": 0.5381
}

Semantic roles & 50–950 ramp

primary

#63CFF4

secondary

#CA5831

accent

#3C02E3

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CFF4

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

Preview Lab → · Contrast checker → · Palette generator →