#63A8FF#63A8FF

#63A8FF is a light, vivid cyan. Relative luminance 0.379; OKLCH L 72.4% C 0.146 H 255.1°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#63A8FF
RGB	rgb(99, 168, 255)
HSL	hsl(213, 100%, 69%)
HSV	hsv(213, 61%, 100%)
CMYK	cmyk(61.2%, 34.1%, 0%, 0%)
CIE-LAB	lab(67.93, 3.95, -49.66)
CIE-LCH	lch(67.93, 49.82, 274.55°)
OKLab	oklab(72.41% -0.0375 -0.1406)
OKLCH	oklch(72.41% 0.146 255.1)
XYZ	xyz(37.1917, 37.8745, 99.9389)
Luminance	0.3788 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A8FF #FFBA63

analogous

#63F6FF #63A8FF #6C63FF

triadic

#63A8FF #FF63A8 #A8FF63

tetradic

#63A8FF #FF63F6 #FFBA63 #63FF6C

square

#63A8FF #FF63F6 #FFBA63 #63FF6C

split-complementary

#63A8FF #FF6C63 #F6FF63

monochromatic

#0066E8 #2686FF #63A8FF #A0CAFF #DDECFF

Accessibility & contrast

On white

2.45

#63A8FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#63A8FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A8FF

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A8FF	#FFFFFF	#000000	##000000
##63A8FF	1.00	2.45	8.58	8.58
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.58	21.00	1.00	1.00
##000000	8.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83AEFF

Deuteranopia (green-blind)

#6E9FFD

Tritanopia (blue-blind)

#00BCC8

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63a8ff;
/* rgb */ color: rgb(99, 168, 255);
/* oklch */ color: oklch(72.4% 0.146 255.1);

Tailwind

colors: {
  custom: {
    50: '#9cc1ff',
    500: '#63a8ff',
    950: '#000000',
  },
}

SCSS

$custom: #63a8ff;
$custom-light: #9cc1ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63a8ff",
  "rgb": {
    "r": 99,
    "g": 168,
    "b": 255
  },
  "hsl": {
    "h": 213.462,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.7241,
    "c": 0.14555,
    "h": 255.1
  },
  "luminance": 0.37878
}

Semantic roles & 50–950 ramp

primary

#63A8FF

secondary

#F5E1C8

accent

#8000E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #63A8FF

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

Preview Lab → · Contrast checker → · Palette generator →