#63AFF8#63AFF8

#63AFF8 is a light, vivid cyan. Relative luminance 0.401; OKLCH L 73.6% C 0.131 H 249.1°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#63AFF8
RGB	rgb(99, 175, 248)
HSL	hsl(209, 91%, 68%)
HSV	hsv(209, 60%, 97%)
CMYK	cmyk(60.1%, 29.4%, 0%, 2.7%)
CIE-LAB	lab(69.53, -2.23, -43.34)
CIE-LCH	lch(69.53, 43.40, 267.05°)
OKLab	oklab(73.56% -0.0465 -0.1222)
OKLCH	oklch(73.56% 0.131 249.1)
XYZ	xyz(37.4127, 40.0864, 94.5546)
Luminance	0.4009 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFF8 #F8AC63

analogous

#63F8F6 #63AFF8 #6364F8

triadic

#63AFF8 #F863AF #AFF863

tetradic

#63AFF8 #F663F8 #F8AC63 #64F863

square

#63AFF8 #F663F8 #F8AC63 #64F863

split-complementary

#63AFF8 #F86364 #F8F663

monochromatic

#0A72D7 #2891F5 #63AFF8 #9ECDFB #D8EBFD

Accessibility & contrast

On white

2.33

#63AFF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#63AFF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFF8

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFF8	#FFFFFF	#000000	##000000
##63AFF8	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90B2FB

Deuteranopia (green-blind)

#7CA3F7

Tritanopia (blue-blind)

#00C0C9

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63aff8;
/* rgb */ color: rgb(99, 175, 248);
/* oklch */ color: oklch(73.6% 0.131 249.1);

Tailwind

colors: {
  custom: {
    50: '#9bc6fb',
    500: '#63aff8',
    950: '#000000',
  },
}

SCSS

$custom: #63aff8;
$custom-light: #9bc6fb;
$custom-dark: #000000;

JSON

{
  "hex": "#63aff8",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 248
  },
  "hsl": {
    "h": 209.396,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.73561,
    "c": 0.13076,
    "h": 249.1
  },
  "luminance": 0.4009
}

Semantic roles & 50–950 ramp

primary

#63AFF8

secondary

#F2DBC5

accent

#7000E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63AFF8

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

Preview Lab → · Contrast checker → · Palette generator →