#63AFE4#63AFE4

#63AFE4 is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.6% C 0.108 H 240.9°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#63AFE4
RGB	rgb(99, 175, 228)
HSL	hsl(205, 70%, 64%)
HSV	hsv(205, 57%, 89%)
CMYK	cmyk(56.6%, 23.2%, 0%, 10.6%)
CIE-LAB	lab(68.69, -8.45, -33.76)
CIE-LCH	lch(68.69, 34.80, 255.95°)
OKLab	oklab(72.62% -0.0527 -0.0945)
OKLCH	oklch(72.62% 0.108 240.9)
XYZ	xyz(34.4740, 38.9110, 79.0776)
Luminance	0.3891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFE4 #E49863

analogous

#63E4D9 #63AFE4 #636FE4

triadic

#63AFE4 #E463AF #AFE463

tetradic

#63AFE4 #D963E4 #E49863 #6FE463

square

#63AFE4 #D963E4 #E49863 #6FE463

split-complementary

#63AFE4 #E4636F #E4D963

monochromatic

#1E73AE #2F94DB #63AFE4 #97CAED #CBE5F6

Accessibility & contrast

On white

2.39

#63AFE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#63AFE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFE4

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFE4	#FFFFFF	#000000	##000000
##63AFE4	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97AFE6

Deuteranopia (green-blind)

#86A2E3

Tritanopia (blue-blind)

#00BCC1

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63afe4;
/* rgb */ color: rgb(99, 175, 228);
/* oklch */ color: oklch(72.6% 0.108 240.9);

Tailwind

colors: {
  custom: {
    50: '#99c6ec',
    500: '#63afe4',
    950: '#000000',
  },
}

SCSS

$custom: #63afe4;
$custom-light: #99c6ec;
$custom-dark: #000000;

JSON

{
  "hex": "#63afe4",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 228
  },
  "hsl": {
    "h": 204.651,
    "s": 70.492,
    "l": 64.118
  },
  "oklch": {
    "l": 0.72617,
    "c": 0.10821,
    "h": 240.9
  },
  "luminance": 0.38914
}

Semantic roles & 50–950 ramp

primary

#63AFE4

secondary

#E8CDBB

accent

#6213D3

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #63AFE4

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

Preview Lab → · Contrast checker → · Palette generator →