#63D3F4#63D3F4

#63D3F4 is a light, moderate cyan. Relative luminance 0.558; OKLCH L 81.4% C 0.111 H 220.0°. Best body text is #000000 at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#63D3F4
RGB	rgb(99, 211, 244)
HSL	hsl(194, 87%, 67%)
HSV	hsv(194, 59%, 96%)
CMYK	cmyk(59.4%, 13.5%, 0%, 4.3%)
CIE-LAB	lab(79.48, -22.55, -25.80)
CIE-LCH	lch(79.48, 34.26, 228.84°)
OKLab	oklab(81.41% -0.0853 -0.0717)
OKLCH	oklch(81.41% 0.111 220)
XYZ	xyz(44.7625, 55.7684, 93.9758)
Luminance	0.5577 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D3F4 #F48463

analogous

#63F4CC #63D3F4 #638BF4

triadic

#63D3F4 #F463D3 #D3F463

tetradic

#63D3F4 #CC63F4 #F48463 #8BF463

square

#63D3F4 #CC63F4 #F48463 #8BF463

split-complementary

#63D3F4 #F4638B #F4CC63

monochromatic

#0FA2CE #2AC3F0 #63D3F4 #9CE3F8 #D5F3FC

Accessibility & contrast

On white

1.73

#63D3F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.15

#63D3F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D3F4

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D3F4	#FFFFFF	#000000	##000000
##63D3F4	1.00	1.73	12.15	12.15
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.15	21.00	1.00	1.00
##000000	12.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFCEF6

Deuteranopia (green-blind)

#AABEF4

Tritanopia (blue-blind)

#00DEDD

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #63d3f4;
/* rgb */ color: rgb(99, 211, 244);
/* oklch */ color: oklch(81.4% 0.111 220.0);

Tailwind

colors: {
  custom: {
    50: '#9ce0f7',
    500: '#63d3f4',
    950: '#000000',
  },
}

SCSS

$custom: #63d3f4;
$custom-light: #9ce0f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63d3f4",
  "rgb": {
    "r": 99,
    "g": 211,
    "b": 244
  },
  "hsl": {
    "h": 193.655,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.81409,
    "c": 0.11147,
    "h": 220
  },
  "luminance": 0.55773
}

Semantic roles & 50–950 ramp

primary

#63D3F4

secondary

#CA5431

accent

#3502E3

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D3F4

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

Preview Lab → · Contrast checker → · Palette generator →