#63BCE6#63BCE6

#63BCE6 is a light, moderate cyan. Relative luminance 0.443; OKLCH L 75.6% C 0.105 H 230.8°. Best body text is #000000 at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#63BCE6
RGB	rgb(99, 188, 230)
HSL	hsl(199, 72%, 65%)
HSV	hsv(199, 57%, 90%)
CMYK	cmyk(57%, 18.3%, 0%, 9.8%)
CIE-LAB	lab(72.45, -14.83, -29.05)
CIE-LCH	lch(72.45, 32.61, 242.96°)
OKLab	oklab(75.63% -0.0661 -0.081)
OKLCH	oklch(75.63% 0.105 230.8)
XYZ	xyz(37.4063, 44.3288, 81.4326)
Luminance	0.4433 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCE6 #E68D63

analogous

#63E6CF #63BCE6 #637AE6

triadic

#63BCE6 #E663BC #BCE663

tetradic

#63BCE6 #CF63E6 #E68D63 #7AE663

square

#63BCE6 #CF63E6 #E68D63 #7AE663

split-complementary

#63BCE6 #E6637A #E6CF63

monochromatic

#1D82B2 #2EA5DE #63BCE6 #98D3EE #CCE9F7

Accessibility & contrast

On white

2.13

#63BCE6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.87

#63BCE6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCE6

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCE6	#FFFFFF	#000000	##000000
##63BCE6	1.00	2.13	9.87	9.87
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.87	21.00	1.00	1.00
##000000	9.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7BAE8

Deuteranopia (green-blind)

#94ACE5

Tritanopia (blue-blind)

#00C8CA

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #63bce6;
/* rgb */ color: rgb(99, 188, 230);
/* oklch */ color: oklch(75.6% 0.105 230.8);

Tailwind

colors: {
  custom: {
    50: '#99d0ee',
    500: '#63bce6',
    950: '#000000',
  },
}

SCSS

$custom: #63bce6;
$custom-light: #99d0ee;
$custom-dark: #000000;

JSON

{
  "hex": "#63bce6",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 230
  },
  "hsl": {
    "h": 199.237,
    "s": 72.376,
    "l": 64.51
  },
  "oklch": {
    "l": 0.75628,
    "c": 0.10453,
    "h": 230.8
  },
  "luminance": 0.44332
}

Semantic roles & 50–950 ramp

primary

#63BCE6

secondary

#E9CABC

accent

#5011D4

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #63BCE6

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

Preview Lab → · Contrast checker → · Palette generator →