#6447BB#6447BB

#6447BB is a mid, vivid violet. Relative luminance 0.108; OKLCH L 49.4% C 0.174 H 290.0°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#6447BB
RGB	rgb(100, 71, 187)
HSL	hsl(255, 46%, 51%)
HSV	hsv(255, 62%, 73%)
CMYK	cmyk(46.5%, 62%, 0%, 26.7%)
CIE-LAB	lab(39.25, 40.66, -57.20)
CIE-LCH	lch(39.25, 70.17, 305.41°)
OKLab	oklab(49.35% 0.0596 -0.1635)
OKLCH	oklch(49.35% 0.174 290)
XYZ	xyz(16.4759, 10.8030, 48.2212)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6447BB #9EBB47

analogous

#4764BB #6447BB #9E47BB

triadic

#6447BB #BB6447 #47BB64

tetradic

#6447BB #BB4764 #9EBB47 #47BB9E

square

#6447BB #BB4764 #9EBB47 #47BB9E

split-complementary

#6447BB #BB9E47 #64BB47

monochromatic

#342563 #4C3590 #6447BB #8A74CC #AFA0DC

Accessibility & contrast

On white

6.64

#6447BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#6447BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6447BB

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6447BB	#FFFFFF	#000000	##FFFFFF
##6447BB	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBF

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#49627A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #6447bb;
/* rgb */ color: rgb(100, 71, 187);
/* oklch */ color: oklch(49.4% 0.174 290.0);

Tailwind

colors: {
  custom: {
    50: '#977cd0',
    500: '#6447bb',
    950: '#000000',
  },
}

SCSS

$custom: #6447bb;
$custom-light: #977cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#6447bb",
  "rgb": {
    "r": 100,
    "g": 71,
    "b": 187
  },
  "hsl": {
    "h": 255,
    "s": 46.032,
    "l": 50.588
  },
  "oklch": {
    "l": 0.49353,
    "c": 0.17404,
    "h": 290
  },
  "luminance": 0.10804
}

Semantic roles & 50–950 ramp

primary

#6447BB

secondary

#BCC995

accent

#D652B5

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0914

muted

#7E7B82

Preview Lab

Preview with #6447BB

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

Preview Lab → · Contrast checker → · Palette generator →