#63A9DD#63A9DD

#63A9DD is a light, moderate cyan. Relative luminance 0.362; OKLCH L 71.0% C 0.104 H 242.3°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#63A9DD
RGB	rgb(99, 169, 221)
HSL	hsl(206, 64%, 63%)
HSV	hsv(206, 55%, 87%)
CMYK	cmyk(55.2%, 23.5%, 0%, 13.3%)
CIE-LAB	lab(66.71, -7.29, -32.99)
CIE-LCH	lch(66.71, 33.79, 257.54°)
OKLab	oklab(70.96% -0.0484 -0.0923)
OKLCH	oklch(70.96% 0.104 242.3)
XYZ	xyz(32.3799, 36.2462, 73.6825)
Luminance	0.3625 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A9DD #DD9763

analogous

#63DDD4 #63A9DD #636CDD

triadic

#63A9DD #DD63A9 #A9DD63

tetradic

#63A9DD #D463DD #DD9763 #6CDD63

square

#63A9DD #D463DD #DD9763 #6CDD63

split-complementary

#63A9DD #DD636C #DDD463

monochromatic

#236CA2 #318DD2 #63A9DD #95C5E8 #C7E0F3

Accessibility & contrast

On white

2.55

#63A9DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#63A9DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A9DD

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A9DD	#FFFFFF	#000000	##000000
##63A9DD	1.00	2.55	8.25	8.25
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92A9DF

Deuteranopia (green-blind)

#829DDC

Tritanopia (blue-blind)

#00B6BB

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63a9dd;
/* rgb */ color: rgb(99, 169, 221);
/* oklch */ color: oklch(71.0% 0.104 242.3);

Tailwind

colors: {
  custom: {
    50: '#98c2e7',
    500: '#63a9dd',
    950: '#000000',
  },
}

SCSS

$custom: #63a9dd;
$custom-light: #98c2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#63a9dd",
  "rgb": {
    "r": 99,
    "g": 169,
    "b": 221
  },
  "hsl": {
    "h": 205.574,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.70959,
    "c": 0.10422,
    "h": 242.3
  },
  "luminance": 0.36249
}

Semantic roles & 50–950 ramp

primary

#63A9DD

secondary

#E4CBB8

accent

#6619CC

background

#F9FBFE

surface

#F2F7FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63A9DD

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

Preview Lab → · Contrast checker → · Palette generator →