#6463DD#6463DD

#6463DD is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.6% C 0.181 H 279.3°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#6463DD
RGB	rgb(100, 99, 221)
HSL	hsl(240, 64%, 63%)
HSV	hsv(240, 55%, 87%)
CMYK	cmyk(54.8%, 55.2%, 0%, 13.3%)
CIE-LAB	lab(48.07, 34.33, -62.51)
CIE-LCH	lch(48.07, 71.32, 298.78°)
OKLab	oklab(56.61% 0.0292 -0.179)
OKLCH	oklch(56.61% 0.181 279.3)
XYZ	xyz(22.7644, 16.8520, 70.4458)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6463DD #DCDD63

analogous

#639FDD #6463DD #A163DD

triadic

#6463DD #DD6463 #63DD64

tetradic

#6463DD #DD639F #DCDD63 #63DDA1

square

#6463DD #DD639F #DCDD63 #63DDA1

split-complementary

#6463DD #DDA163 #9FDD63

monochromatic

#2423A2 #3231D2 #6463DD #9695E8 #C8C7F3

Accessibility & contrast

On white

4.80

#6463DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#6463DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6463DD

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6463DD	#FFFFFF	#000000	##FFFFFF
##6463DD	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0977E1

Deuteranopia (green-blind)

#006DDA

Tritanopia (blue-blind)

#287F96

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #6463dd;
/* rgb */ color: rgb(100, 99, 221);
/* oklch */ color: oklch(56.6% 0.181 279.3);

Tailwind

colors: {
  custom: {
    50: '#9a8fe8',
    500: '#6463dd',
    950: '#000000',
  },
}

SCSS

$custom: #6463dd;
$custom-light: #9a8fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#6463dd",
  "rgb": {
    "r": 100,
    "g": 99,
    "b": 221
  },
  "hsl": {
    "h": 240.492,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.56613,
    "c": 0.18139,
    "h": 279.3
  },
  "luminance": 0.16853
}

Semantic roles & 50–950 ramp

primary

#6463DD

secondary

#E4E4B8

accent

#CC19CB

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #6463DD

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

Preview Lab → · Contrast checker → · Palette generator →