#63CDF4#63CDF4

#63CDF4 is a light, moderate cyan. Relative luminance 0.528; OKLCH L 80.0% C 0.112 H 225.0°. Best body text is #000000 at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#63CDF4
RGB	rgb(99, 205, 244)
HSL	hsl(196, 87%, 67%)
HSV	hsv(196, 59%, 96%)
CMYK	cmyk(59.4%, 16%, 0%, 4.3%)
CIE-LAB	lab(77.78, -19.51, -28.40)
CIE-LCH	lch(77.78, 34.45, 235.51°)
OKLab	oklab(80.05% -0.0791 -0.0791)
OKLCH	oklch(80.05% 0.112 225)
XYZ	xyz(43.2996, 52.8427, 93.4882)
Luminance	0.5285 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CDF4 #F48A63

analogous

#63F4D3 #63CDF4 #6385F4

triadic

#63CDF4 #F463CD #CDF463

tetradic

#63CDF4 #D363F4 #F48A63 #85F463

square

#63CDF4 #D363F4 #F48A63 #85F463

split-complementary

#63CDF4 #F46385 #F4D363

monochromatic

#0F9BCE #2ABBF0 #63CDF4 #9CDFF8 #D5F2FC

Accessibility & contrast

On white

1.82

#63CDF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.57

#63CDF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CDF4

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CDF4	#FFFFFF	#000000	##000000
##63CDF4	1.00	1.82	11.57	11.57
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.57	21.00	1.00	1.00
##000000	11.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C9F6

Deuteranopia (green-blind)

#A3BAF4

Tritanopia (blue-blind)

#00D9DA

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #63cdf4;
/* rgb */ color: rgb(99, 205, 244);
/* oklch */ color: oklch(80.0% 0.112 225.0);

Tailwind

colors: {
  custom: {
    50: '#9cdcf7',
    500: '#63cdf4',
    950: '#000000',
  },
}

SCSS

$custom: #63cdf4;
$custom-light: #9cdcf7;
$custom-dark: #000000;

JSON

{
  "hex": "#63cdf4",
  "rgb": {
    "r": 99,
    "g": 205,
    "b": 244
  },
  "hsl": {
    "h": 196.138,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.8005,
    "c": 0.11186,
    "h": 225
  },
  "luminance": 0.52847
}

Semantic roles & 50–950 ramp

primary

#63CDF4

secondary

#CA5A31

accent

#3F02E3

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CDF4

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

Preview Lab → · Contrast checker → · Palette generator →