#63C6DD#63C6DD

#63C6DD is a light, moderate cyan. Relative luminance 0.483; OKLCH L 77.5% C 0.098 H 215.0°. Best body text is #000000 at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#63C6DD
RGB	rgb(99, 198, 221)
HSL	hsl(191, 64%, 63%)
HSV	hsv(191, 55%, 87%)
CMYK	cmyk(55.2%, 10.4%, 0%, 13.3%)
CIE-LAB	lab(74.99, -22.60, -20.29)
CIE-LCH	lch(74.99, 30.37, 221.92°)
OKLab	oklab(77.55% -0.0803 -0.0562)
OKLCH	oklch(77.55% 0.098 215)
XYZ	xyz(38.3857, 48.2577, 75.6844)
Luminance	0.4826 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C6DD #DD7A63

analogous

#63DDB7 #63C6DD #6389DD

triadic

#63C6DD #DD63C6 #C6DD63

tetradic

#63C6DD #B763DD #DD7A63 #89DD63

square

#63C6DD #B763DD #DD7A63 #89DD63

split-complementary

#63C6DD #DD6389 #DDB763

monochromatic

#238AA2 #31B4D2 #63C6DD #95D8E8 #C7EBF3

Accessibility & contrast

On white

1.97

#63C6DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.65

#63C6DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C6DD

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C6DD	#FFFFFF	#000000	##000000
##63C6DD	1.00	1.97	10.65	10.65
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.65	21.00	1.00	1.00
##000000	10.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C0DE

Deuteranopia (green-blind)

#A3B3DD

Tritanopia (blue-blind)

#00CFCD

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #63c6dd;
/* rgb */ color: rgb(99, 198, 221);
/* oklch */ color: oklch(77.5% 0.098 215.0);

Tailwind

colors: {
  custom: {
    50: '#99d7e7',
    500: '#63c6dd',
    950: '#000000',
  },
}

SCSS

$custom: #63c6dd;
$custom-light: #99d7e7;
$custom-dark: #000000;

JSON

{
  "hex": "#63c6dd",
  "rgb": {
    "r": 99,
    "g": 198,
    "b": 221
  },
  "hsl": {
    "h": 191.311,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.7755,
    "c": 0.098,
    "h": 215
  },
  "luminance": 0.48261
}

Semantic roles & 50–950 ramp

primary

#63C6DD

secondary

#E4C0B8

accent

#3B19CC

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0F1416

muted

#7E8384

Preview Lab

Preview with #63C6DD

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

Preview Lab → · Contrast checker → · Palette generator →