#63C8F5#63C8F5

#63C8F5 is a light, moderate cyan. Relative luminance 0.506; OKLCH L 79.0% C 0.114 H 229.7°. Best body text is #000000 at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#63C8F5
RGB	rgb(99, 200, 245)
HSL	hsl(198, 88%, 67%)
HSV	hsv(198, 60%, 96%)
CMYK	cmyk(59.6%, 18.4%, 0%, 3.9%)
CIE-LAB	lab(76.41, -16.63, -31.05)
CIE-LCH	lch(76.41, 35.22, 241.82°)
OKLab	oklab(78.96% -0.0735 -0.0867)
OKLCH	oklch(78.96% 0.114 229.7)
XYZ	xyz(42.2749, 50.5496, 93.8977)
Luminance	0.5055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8F5 #F59063

analogous

#63F5D9 #63C8F5 #637FF5

triadic

#63C8F5 #F563C8 #C8F563

tetradic

#63C8F5 #D963F5 #F59063 #7FF563

square

#63C8F5 #D963F5 #F59063 #7FF563

split-complementary

#63C8F5 #F5637F #F5D963

monochromatic

#0D94D0 #29B4F1 #63C8F5 #9DDCF9 #D6F1FC

Accessibility & contrast

On white

1.89

#63C8F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.11

#63C8F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8F5

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8F5	#FFFFFF	#000000	##000000
##63C8F5	1.00	1.89	11.11	11.11
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.11	21.00	1.00	1.00
##000000	11.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1C5F7

Deuteranopia (green-blind)

#9CB6F4

Tritanopia (blue-blind)

#00D5D7

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #63c8f5;
/* rgb */ color: rgb(99, 200, 245);
/* oklch */ color: oklch(79.0% 0.114 229.7);

Tailwind

colors: {
  custom: {
    50: '#9bd8f8',
    500: '#63c8f5',
    950: '#000000',
  },
}

SCSS

$custom: #63c8f5;
$custom-light: #9bd8f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8f5",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 245
  },
  "hsl": {
    "h": 198.493,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.78964,
    "c": 0.11365,
    "h": 229.7
  },
  "luminance": 0.50554
}

Semantic roles & 50–950 ramp

primary

#63C8F5

secondary

#CC6030

accent

#4701E5

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1417

muted

#808385

Preview Lab

Preview with #63C8F5

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

Preview Lab → · Contrast checker → · Palette generator →