#63AFE6#63AFE6

#63AFE6 is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.7% C 0.110 H 241.9°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#63AFE6
RGB	rgb(99, 175, 230)
HSL	hsl(205, 72%, 65%)
HSV	hsv(205, 57%, 90%)
CMYK	cmyk(57%, 23.9%, 0%, 9.8%)
CIE-LAB	lab(68.77, -7.84, -34.73)
CIE-LCH	lch(68.77, 35.60, 257.28°)
OKLab	oklab(72.71% -0.052 -0.0973)
OKLCH	oklch(72.71% 0.11 241.9)
XYZ	xyz(34.7532, 39.0226, 80.5482)
Luminance	0.3903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFE6 #E69A63

analogous

#63E6DC #63AFE6 #636EE6

triadic

#63AFE6 #E663AF #AFE663

tetradic

#63AFE6 #DC63E6 #E69A63 #6EE663

square

#63AFE6 #DC63E6 #E69A63 #6EE663

split-complementary

#63AFE6 #E6636E #E6DC63

monochromatic

#1D73B2 #2E94DE #63AFE6 #98CAEE #CCE5F7

Accessibility & contrast

On white

2.38

#63AFE6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#63AFE6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFE6

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFE6	#FFFFFF	#000000	##000000
##63AFE6	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97AFE9

Deuteranopia (green-blind)

#85A2E5

Tritanopia (blue-blind)

#00BDC2

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63afe6;
/* rgb */ color: rgb(99, 175, 230);
/* oklch */ color: oklch(72.7% 0.110 241.9);

Tailwind

colors: {
  custom: {
    50: '#99c6ee',
    500: '#63afe6',
    950: '#000000',
  },
}

SCSS

$custom: #63afe6;
$custom-light: #99c6ee;
$custom-dark: #000000;

JSON

{
  "hex": "#63afe6",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 230
  },
  "hsl": {
    "h": 205.191,
    "s": 72.376,
    "l": 64.51
  },
  "oklch": {
    "l": 0.72708,
    "c": 0.11034,
    "h": 241.9
  },
  "luminance": 0.39026
}

Semantic roles & 50–950 ramp

primary

#63AFE6

secondary

#E9CFBC

accent

#6311D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #63AFE6

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

Preview Lab → · Contrast checker → · Palette generator →