#63CEF8#63CEF8

#63CEF8 is a light, moderate cyan. Relative luminance 0.536; OKLCH L 80.4% C 0.115 H 226.6°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#63CEF8
RGB	rgb(99, 206, 248)
HSL	hsl(197, 91%, 68%)
HSV	hsv(197, 60%, 97%)
CMYK	cmyk(60.1%, 16.9%, 0%, 2.7%)
CIE-LAB	lab(78.21, -18.84, -29.88)
CIE-LCH	lch(78.21, 35.32, 237.77°)
OKLab	oklab(80.44% -0.0787 -0.0833)
OKLCH	oklch(80.44% 0.115 226.6)
XYZ	xyz(44.1535, 53.5682, 96.8015)
Luminance	0.5357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CEF8 #F88D63

analogous

#63F8D8 #63CEF8 #6383F8

triadic

#63CEF8 #F863CE #CEF863

tetradic

#63CEF8 #D863F8 #F88D63 #83F863

square

#63CEF8 #D863F8 #F88D63 #83F863

split-complementary

#63CEF8 #F86383 #F8D863

monochromatic

#0A9DD7 #28BCF5 #63CEF8 #9EE0FB #D8F3FD

Accessibility & contrast

On white

1.79

#63CEF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#63CEF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CEF8

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CEF8	#FFFFFF	#000000	##000000
##63CEF8	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7CAFA

Deuteranopia (green-blind)

#A2BBF8

Tritanopia (blue-blind)

#00DADC

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63cef8;
/* rgb */ color: rgb(99, 206, 248);
/* oklch */ color: oklch(80.4% 0.115 226.6);

Tailwind

colors: {
  custom: {
    50: '#9cddfa',
    500: '#63cef8',
    950: '#000000',
  },
}

SCSS

$custom: #63cef8;
$custom-light: #9cddfa;
$custom-dark: #000000;

JSON

{
  "hex": "#63cef8",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 248
  },
  "hsl": {
    "h": 196.913,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.80439,
    "c": 0.11461,
    "h": 226.6
  },
  "luminance": 0.53573
}

Semantic roles & 50–950 ramp

primary

#63CEF8

secondary

#D15C2E

accent

#4100E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CEF8

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

Preview Lab → · Contrast checker → · Palette generator →