#6463BB#6463BB

#6463BB is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.3% C 0.134 H 281.5°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#6463BB
RGB	rgb(100, 99, 187)
HSL	hsl(241, 39%, 56%)
HSV	hsv(241, 47%, 73%)
CMYK	cmyk(46.5%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(45.93, 23.77, -46.44)
CIE-LCH	lch(45.93, 52.17, 297.10°)
OKLab	oklab(54.32% 0.0267 -0.1318)
OKLCH	oklch(54.32% 0.134 281.5)
XYZ	xyz(18.6843, 15.2200, 48.9573)
Luminance	0.1522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6463BB #BABB63

analogous

#638EBB #6463BB #9063BB

triadic

#6463BB #BB6463 #63BB64

tetradic

#6463BB #BB638E #BABB63 #63BB90

square

#6463BB #BB638E #BABB63 #63BB90

split-complementary

#6463BB #BB9063 #8EBB63

monochromatic

#323272 #45449D #6463BB #8E8ECE #B9B8E0

Accessibility & contrast

On white

5.19

#6463BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#6463BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6463BB

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6463BB	#FFFFFF	#000000	##FFFFFF
##6463BB	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E70BE

Deuteranopia (green-blind)

#396AB9

Tritanopia (blue-blind)

#467586

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #6463bb;
/* rgb */ color: rgb(100, 99, 187);
/* oklch */ color: oklch(54.3% 0.134 281.5);

Tailwind

colors: {
  custom: {
    50: '#958fd0',
    500: '#6463bb',
    950: '#000000',
  },
}

SCSS

$custom: #6463bb;
$custom-light: #958fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#6463bb",
  "rgb": {
    "r": 100,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 240.682,
    "s": 39.286,
    "l": 56.078
  },
  "oklch": {
    "l": 0.54323,
    "c": 0.13446,
    "h": 281.5
  },
  "luminance": 0.15221
}

Semantic roles & 50–950 ramp

primary

#6463BB

secondary

#CFCFAB

accent

#CF59CE

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C14

muted

#7E7D82

Preview Lab

Preview with #6463BB

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

Preview Lab → · Contrast checker → · Palette generator →