#63CCF5#63CCF5

#63CCF5 is a light, moderate cyan. Relative luminance 0.524; OKLCH L 79.9% C 0.113 H 226.4°. Best body text is #000000 at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#63CCF5
RGB	rgb(99, 204, 245)
HSL	hsl(197, 88%, 67%)
HSV	hsv(197, 60%, 96%)
CMYK	cmyk(59.6%, 16.7%, 0%, 3.9%)
CIE-LAB	lab(77.54, -18.70, -29.31)
CIE-LCH	lch(77.54, 34.77, 237.47°)
OKLab	oklab(79.86% -0.0777 -0.0817)
OKLCH	oklch(79.86% 0.113 226.4)
XYZ	xyz(43.2134, 52.4267, 94.2105)
Luminance	0.5243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CCF5 #F58C63

analogous

#63F5D5 #63CCF5 #6383F5

triadic

#63CCF5 #F563CC #CCF563

tetradic

#63CCF5 #D563F5 #F58C63 #83F563

square

#63CCF5 #D563F5 #F58C63 #83F563

split-complementary

#63CCF5 #F56383 #F5D563

monochromatic

#0D9AD0 #29B9F1 #63CCF5 #9DDFF9 #D6F2FC

Accessibility & contrast

On white

1.83

#63CCF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.49

#63CCF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CCF5

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CCF5	#FFFFFF	#000000	##000000
##63CCF5	1.00	1.83	11.49	11.49
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.49	21.00	1.00	1.00
##000000	11.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C8F7

Deuteranopia (green-blind)

#A1B9F5

Tritanopia (blue-blind)

#00D8D9

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #63ccf5;
/* rgb */ color: rgb(99, 204, 245);
/* oklch */ color: oklch(79.9% 0.113 226.4);

Tailwind

colors: {
  custom: {
    50: '#9cdbf8',
    500: '#63ccf5',
    950: '#000000',
  },
}

SCSS

$custom: #63ccf5;
$custom-light: #9cdbf8;
$custom-dark: #000000;

JSON

{
  "hex": "#63ccf5",
  "rgb": {
    "r": 99,
    "g": 204,
    "b": 245
  },
  "hsl": {
    "h": 196.849,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.79865,
    "c": 0.11274,
    "h": 226.4
  },
  "luminance": 0.52431
}

Semantic roles & 50–950 ramp

primary

#63CCF5

secondary

#CC5C30

accent

#4101E5

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CCF5

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

Preview Lab → · Contrast checker → · Palette generator →