#63A4DD#63A4DD

#63A4DD is a light, moderate cyan. Relative luminance 0.344; OKLCH L 69.8% C 0.108 H 246.5°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#63A4DD
RGB	rgb(99, 164, 221)
HSL	hsl(208, 64%, 63%)
HSV	hsv(208, 55%, 87%)
CMYK	cmyk(55.2%, 25.8%, 0%, 13.3%)
CIE-LAB	lab(65.30, -4.52, -35.18)
CIE-LCH	lch(65.30, 35.47, 262.68°)
OKLab	oklab(69.84% -0.0428 -0.0986)
OKLCH	oklch(69.84% 0.108 246.5)
XYZ	xyz(31.4675, 34.4214, 73.3783)
Luminance	0.3442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4DD #DD9C63

analogous

#63DDD9 #63A4DD #6367DD

triadic

#63A4DD #DD63A4 #A4DD63

tetradic

#63A4DD #D963DD #DD9C63 #67DD63

square

#63A4DD #D963DD #DD9C63 #67DD63

split-complementary

#63A4DD #DD6367 #DDD963

monochromatic

#2367A2 #3187D2 #63A4DD #95C1E8 #C7DFF3

Accessibility & contrast

On white

2.66

#63A4DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#63A4DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4DD

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4DD	#FFFFFF	#000000	##000000
##63A4DD	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CA5E0

Deuteranopia (green-blind)

#7C99DC

Tritanopia (blue-blind)

#00B2B8

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #63a4dd;
/* rgb */ color: rgb(99, 164, 221);
/* oklch */ color: oklch(69.8% 0.108 246.5);

Tailwind

colors: {
  custom: {
    50: '#98bee7',
    500: '#63a4dd',
    950: '#000000',
  },
}

SCSS

$custom: #63a4dd;
$custom-light: #98bee7;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4dd",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 221
  },
  "hsl": {
    "h": 208.033,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.69844,
    "c": 0.10754,
    "h": 246.5
  },
  "luminance": 0.34424
}

Semantic roles & 50–950 ramp

primary

#63A4DD

secondary

#E4CCB8

accent

#6D19CC

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63A4DD

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

Preview Lab → · Contrast checker → · Palette generator →