#63AFE5#63AFE5

#63AFE5 is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.7% C 0.109 H 241.4°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#63AFE5
RGB	rgb(99, 175, 229)
HSL	hsl(205, 71%, 64%)
HSV	hsv(205, 57%, 90%)
CMYK	cmyk(56.8%, 23.6%, 0%, 10.2%)
CIE-LAB	lab(68.73, -8.15, -34.25)
CIE-LCH	lch(68.73, 35.20, 256.62°)
OKLab	oklab(72.66% -0.0524 -0.0959)
OKLCH	oklch(72.66% 0.109 241.4)
XYZ	xyz(34.6132, 38.9666, 79.8108)
Luminance	0.3897 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFE5 #E59963

analogous

#63E5DA #63AFE5 #636EE5

triadic

#63AFE5 #E563AF #AFE563

tetradic

#63AFE5 #DA63E5 #E59963 #6EE563

square

#63AFE5 #DA63E5 #E59963 #6EE563

split-complementary

#63AFE5 #E5636E #E5DA63

monochromatic

#1D73B0 #2F94DC #63AFE5 #97CAEE #CCE5F6

Accessibility & contrast

On white

2.39

#63AFE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.79

#63AFE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFE5

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFE5	#FFFFFF	#000000	##000000
##63AFE5	1.00	2.39	8.79	8.79
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.79	21.00	1.00	1.00
##000000	8.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97AFE8

Deuteranopia (green-blind)

#85A2E4

Tritanopia (blue-blind)

#00BCC1

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63afe5;
/* rgb */ color: rgb(99, 175, 229);
/* oklch */ color: oklch(72.7% 0.109 241.4);

Tailwind

colors: {
  custom: {
    50: '#99c6ed',
    500: '#63afe5',
    950: '#000000',
  },
}

SCSS

$custom: #63afe5;
$custom-light: #99c6ed;
$custom-dark: #000000;

JSON

{
  "hex": "#63afe5",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 229
  },
  "hsl": {
    "h": 204.923,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.72662,
    "c": 0.10927,
    "h": 241.4
  },
  "luminance": 0.3897
}

Semantic roles & 50–950 ramp

primary

#63AFE5

secondary

#E8CEBB

accent

#6212D3

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #63AFE5

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

Preview Lab → · Contrast checker → · Palette generator →