#63AADD#63AADD

#63AADD is a light, moderate cyan. Relative luminance 0.366; OKLCH L 71.2% C 0.104 H 241.5°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#63AADD
RGB	rgb(99, 170, 221)
HSL	hsl(205, 64%, 63%)
HSV	hsv(205, 55%, 87%)
CMYK	cmyk(55.2%, 23.1%, 0%, 13.3%)
CIE-LAB	lab(66.99, -7.84, -32.55)
CIE-LCH	lch(66.99, 33.48, 256.45°)
OKLab	oklab(71.18% -0.0495 -0.0911)
OKLCH	oklch(71.18% 0.104 241.5)
XYZ	xyz(32.5667, 36.6197, 73.7447)
Luminance	0.3662 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AADD #DD9663

analogous

#63DDD3 #63AADD #636DDD

triadic

#63AADD #DD63AA #AADD63

tetradic

#63AADD #D363DD #DD9663 #6DDD63

square

#63AADD #D363DD #DD9663 #6DDD63

split-complementary

#63AADD #DD636D #DDD363

monochromatic

#236DA2 #318FD2 #63AADD #95C5E8 #C7E1F3

Accessibility & contrast

On white

2.52

#63AADD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#63AADD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AADD

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AADD	#FFFFFF	#000000	##000000
##63AADD	1.00	2.52	8.32	8.32
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94AADF

Deuteranopia (green-blind)

#839EDC

Tritanopia (blue-blind)

#00B7BB

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #63aadd;
/* rgb */ color: rgb(99, 170, 221);
/* oklch */ color: oklch(71.2% 0.104 241.5);

Tailwind

colors: {
  custom: {
    50: '#98c3e7',
    500: '#63aadd',
    950: '#000000',
  },
}

SCSS

$custom: #63aadd;
$custom-light: #98c3e7;
$custom-dark: #000000;

JSON

{
  "hex": "#63aadd",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 221
  },
  "hsl": {
    "h": 205.082,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.71183,
    "c": 0.10363,
    "h": 241.5
  },
  "luminance": 0.36623
}

Semantic roles & 50–950 ramp

primary

#63AADD

secondary

#E4CAB8

accent

#6419CC

background

#F9FBFE

surface

#F2F7FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63AADD

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

Preview Lab → · Contrast checker → · Palette generator →