#63DEF8#63DEF8

#63DEF8 is a very light, moderate cyan. Relative luminance 0.617; OKLCH L 84.1% C 0.115 H 213.8°. Best body text is #000000 at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#63DEF8
RGB	rgb(99, 222, 248)
HSL	hsl(190, 91%, 68%)
HSV	hsv(190, 60%, 97%)
CMYK	cmyk(60.1%, 10.5%, 0%, 2.7%)
CIE-LAB	lab(82.74, -26.85, -22.97)
CIE-LCH	lch(82.74, 35.34, 220.54°)
OKLab	oklab(84.06% -0.0951 -0.0637)
OKLCH	oklch(84.06% 0.115 213.8)
XYZ	xyz(48.2032, 61.6676, 98.1514)
Luminance	0.6167 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DEF8 #F87D63

analogous

#63F8C8 #63DEF8 #6393F8

triadic

#63DEF8 #F863DE #DEF863

tetradic

#63DEF8 #C863F8 #F87D63 #93F863

square

#63DEF8 #C863F8 #F87D63 #93F863

split-complementary

#63DEF8 #F86393 #F8C863

monochromatic

#0AB3D7 #28D2F5 #63DEF8 #9EEAFB #D8F7FD

Accessibility & contrast

On white

1.57

#63DEF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.33

#63DEF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DEF8

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DEF8	#FFFFFF	#000000	##000000
##63DEF8	1.00	1.57	13.33	13.33
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.33	21.00	1.00	1.00
##000000	13.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBD7FA

Deuteranopia (green-blind)

#B5C7F8

Tritanopia (blue-blind)

#00E8E6

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #63def8;
/* rgb */ color: rgb(99, 222, 248);
/* oklch */ color: oklch(84.1% 0.115 213.8);

Tailwind

colors: {
  custom: {
    50: '#9de8fa',
    500: '#63def8',
    950: '#000000',
  },
}

SCSS

$custom: #63def8;
$custom-light: #9de8fa;
$custom-dark: #000000;

JSON

{
  "hex": "#63def8",
  "rgb": {
    "r": 99,
    "g": 222,
    "b": 248
  },
  "hsl": {
    "h": 190.47,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.84064,
    "c": 0.11451,
    "h": 213.8
  },
  "luminance": 0.61673
}

Semantic roles & 50–950 ramp

primary

#63DEF8

secondary

#D14B2E

accent

#2800E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101617

muted

#808485

Preview Lab

Preview with #63DEF8

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

Preview Lab → · Contrast checker → · Palette generator →