#63BEE6#63BEE6

#63BEE6 is a light, moderate cyan. Relative luminance 0.452; OKLCH L 76.1% C 0.104 H 229.0°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#63BEE6
RGB	rgb(99, 190, 230)
HSL	hsl(198, 72%, 65%)
HSV	hsv(198, 57%, 90%)
CMYK	cmyk(57%, 17.4%, 0%, 9.8%)
CIE-LAB	lab(73.02, -15.88, -28.17)
CIE-LCH	lch(73.02, 32.34, 240.59°)
OKLab	oklab(76.08% -0.0683 -0.0785)
OKLCH	oklch(76.08% 0.104 229)
XYZ	xyz(37.8365, 45.1892, 81.5760)
Luminance	0.4519 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BEE6 #E68B63

analogous

#63E6CD #63BEE6 #637CE6

triadic

#63BEE6 #E663BE #BEE663

tetradic

#63BEE6 #CD63E6 #E68B63 #7CE663

square

#63BEE6 #CD63E6 #E68B63 #7CE663

split-complementary

#63BEE6 #E6637C #E6CD63

monochromatic

#1D84B2 #2EA8DE #63BEE6 #98D4EE #CCEAF7

Accessibility & contrast

On white

2.09

#63BEE6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.04

#63BEE6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BEE6

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BEE6	#FFFFFF	#000000	##000000
##63BEE6	1.00	2.09	10.04	10.04
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.04	21.00	1.00	1.00
##000000	10.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9BBE8

Deuteranopia (green-blind)

#97ADE5

Tritanopia (blue-blind)

#00C9CB

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63bee6;
/* rgb */ color: rgb(99, 190, 230);
/* oklch */ color: oklch(76.1% 0.104 229.0);

Tailwind

colors: {
  custom: {
    50: '#99d1ee',
    500: '#63bee6',
    950: '#000000',
  },
}

SCSS

$custom: #63bee6;
$custom-light: #99d1ee;
$custom-dark: #000000;

JSON

{
  "hex": "#63bee6",
  "rgb": {
    "r": 99,
    "g": 190,
    "b": 230
  },
  "hsl": {
    "h": 198.321,
    "s": 72.376,
    "l": 64.51
  },
  "oklch": {
    "l": 0.7608,
    "c": 0.10401,
    "h": 229
  },
  "luminance": 0.45193
}

Semantic roles & 50–950 ramp

primary

#63BEE6

secondary

#E9CABC

accent

#4D11D4

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #63BEE6

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

Preview Lab → · Contrast checker → · Palette generator →