#63ACDD#63ACDD

#63ACDD is a light, moderate cyan. Relative luminance 0.374; OKLCH L 71.6% C 0.103 H 239.7°. Best body text is #000000 at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#63ACDD
RGB	rgb(99, 172, 221)
HSL	hsl(204, 64%, 63%)
HSV	hsv(204, 55%, 87%)
CMYK	cmyk(55.2%, 22.2%, 0%, 13.3%)
CIE-LAB	lab(67.56, -8.94, -31.67)
CIE-LCH	lch(67.56, 32.91, 254.24°)
OKLab	oklab(71.63% -0.0517 -0.0885)
OKLCH	oklch(71.63% 0.103 239.7)
XYZ	xyz(32.9445, 37.3753, 73.8706)
Luminance	0.3738 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ACDD #DD9463

analogous

#63DDD1 #63ACDD #636FDD

triadic

#63ACDD #DD63AC #ACDD63

tetradic

#63ACDD #D163DD #DD9463 #6FDD63

square

#63ACDD #D163DD #DD9463 #6FDD63

split-complementary

#63ACDD #DD636F #DDD163

monochromatic

#236FA2 #3191D2 #63ACDD #95C7E8 #C7E1F3

Accessibility & contrast

On white

2.48

#63ACDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.48

#63ACDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ACDD

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ACDD	#FFFFFF	#000000	##000000
##63ACDD	1.00	2.48	8.48	8.48
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.48	21.00	1.00	1.00
##000000	8.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96ACDF

Deuteranopia (green-blind)

#859FDC

Tritanopia (blue-blind)

#00B8BC

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63acdd;
/* rgb */ color: rgb(99, 172, 221);
/* oklch */ color: oklch(71.6% 0.103 239.7);

Tailwind

colors: {
  custom: {
    50: '#98c4e7',
    500: '#63acdd',
    950: '#000000',
  },
}

SCSS

$custom: #63acdd;
$custom-light: #98c4e7;
$custom-dark: #000000;

JSON

{
  "hex": "#63acdd",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 221
  },
  "hsl": {
    "h": 204.098,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.71631,
    "c": 0.10253,
    "h": 239.7
  },
  "luminance": 0.37378
}

Semantic roles & 50–950 ramp

primary

#63ACDD

secondary

#E4CAB8

accent

#6119CC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63ACDD

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

Preview Lab → · Contrast checker → · Palette generator →