#63A5DD#63A5DD

#63A5DD is a light, moderate cyan. Relative luminance 0.348; OKLCH L 70.1% C 0.107 H 245.7°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#63A5DD
RGB	rgb(99, 165, 221)
HSL	hsl(208, 64%, 63%)
HSV	hsv(208, 55%, 87%)
CMYK	cmyk(55.2%, 25.3%, 0%, 13.3%)
CIE-LAB	lab(65.58, -5.08, -34.74)
CIE-LCH	lch(65.58, 35.11, 261.69°)
OKLab	oklab(70.07% -0.0439 -0.0974)
OKLCH	oklch(70.07% 0.107 245.7)
XYZ	xyz(31.6472, 34.7807, 73.4382)
Luminance	0.3478 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A5DD #DD9B63

analogous

#63DDD8 #63A5DD #6368DD

triadic

#63A5DD #DD63A5 #A5DD63

tetradic

#63A5DD #D863DD #DD9B63 #68DD63

square

#63A5DD #D863DD #DD9B63 #68DD63

split-complementary

#63A5DD #DD6368 #DDD863

monochromatic

#2368A2 #3188D2 #63A5DD #95C2E8 #C7DFF3

Accessibility & contrast

On white

2.64

#63A5DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.96

#63A5DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A5DD

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A5DD	#FFFFFF	#000000	##000000
##63A5DD	1.00	2.64	7.96	7.96
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.96	21.00	1.00	1.00
##000000	7.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DA6E0

Deuteranopia (green-blind)

#7D9ADC

Tritanopia (blue-blind)

#00B2B8

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #63a5dd;
/* rgb */ color: rgb(99, 165, 221);
/* oklch */ color: oklch(70.1% 0.107 245.7);

Tailwind

colors: {
  custom: {
    50: '#98bfe7',
    500: '#63a5dd',
    950: '#000000',
  },
}

SCSS

$custom: #63a5dd;
$custom-light: #98bfe7;
$custom-dark: #000000;

JSON

{
  "hex": "#63a5dd",
  "rgb": {
    "r": 99,
    "g": 165,
    "b": 221
  },
  "hsl": {
    "h": 207.541,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.70067,
    "c": 0.10683,
    "h": 245.7
  },
  "luminance": 0.34783
}

Semantic roles & 50–950 ramp

primary

#63A5DD

secondary

#E4CCB8

accent

#6B19CC

background

#F9FBFE

surface

#F2F7FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63A5DD

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

Preview Lab → · Contrast checker → · Palette generator →