#63CDF8#63CDF8

#63CDF8 is a light, moderate cyan. Relative luminance 0.531; OKLCH L 80.2% C 0.115 H 227.4°. Best body text is #000000 at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#63CDF8
RGB	rgb(99, 205, 248)
HSL	hsl(197, 91%, 68%)
HSV	hsv(197, 60%, 97%)
CMYK	cmyk(60.1%, 17.3%, 0%, 2.7%)
CIE-LAB	lab(77.93, -18.32, -30.31)
CIE-LCH	lch(77.93, 35.42, 238.85°)
OKLab	oklab(80.21% -0.0777 -0.0845)
OKLCH	oklch(80.21% 0.115 227.4)
XYZ	xyz(43.9136, 53.0882, 96.7215)
Luminance	0.5309 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CDF8 #F88E63

analogous

#63F8D8 #63CDF8 #6383F8

triadic

#63CDF8 #F863CD #CDF863

tetradic

#63CDF8 #D863F8 #F88E63 #83F863

square

#63CDF8 #D863F8 #F88E63 #83F863

split-complementary

#63CDF8 #F86383 #F8D863

monochromatic

#0A9CD7 #28BAF5 #63CDF8 #9EE0FB #D8F3FD

Accessibility & contrast

On white

1.81

#63CDF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.62

#63CDF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CDF8

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CDF8	#FFFFFF	#000000	##000000
##63CDF8	1.00	1.81	11.62	11.62
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.62	21.00	1.00	1.00
##000000	11.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6CAFA

Deuteranopia (green-blind)

#A1BAF7

Tritanopia (blue-blind)

#00D9DB

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63cdf8;
/* rgb */ color: rgb(99, 205, 248);
/* oklch */ color: oklch(80.2% 0.115 227.4);

Tailwind

colors: {
  custom: {
    50: '#9cdcfa',
    500: '#63cdf8',
    950: '#000000',
  },
}

SCSS

$custom: #63cdf8;
$custom-light: #9cdcfa;
$custom-dark: #000000;

JSON

{
  "hex": "#63cdf8",
  "rgb": {
    "r": 99,
    "g": 205,
    "b": 248
  },
  "hsl": {
    "h": 197.315,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.80214,
    "c": 0.1148,
    "h": 227.4
  },
  "luminance": 0.53093
}

Semantic roles & 50–950 ramp

primary

#63CDF8

secondary

#D15D2E

accent

#4200E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CDF8

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

Preview Lab → · Contrast checker → · Palette generator →