#6648BB#6648BB

#6648BB is a mid, vivid violet. Relative luminance 0.110; OKLCH L 49.7% C 0.173 H 290.8°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#6648BB
RGB	rgb(102, 72, 187)
HSL	hsl(256, 46%, 51%)
HSV	hsv(256, 61%, 73%)
CMYK	cmyk(45.5%, 61.5%, 0%, 26.7%)
CIE-LAB	lab(39.66, 40.49, -56.52)
CIE-LCH	lch(39.66, 69.53, 305.62°)
OKLab	oklab(49.7% 0.0612 -0.1614)
OKLCH	oklch(49.7% 0.173 290.8)
XYZ	xyz(16.7640, 11.0468, 48.2530)
Luminance	0.1105 (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

#6648BB #9DBB48

analogous

#4863BB #6648BB #9F48BB

triadic

#6648BB #BB6648 #48BB66

tetradic

#6648BB #BB4863 #9DBB48 #48BB9F

square

#6648BB #BB4863 #9DBB48 #48BB9F

split-complementary

#6648BB #BB9F48 #63BB48

monochromatic

#352564 #4D3690 #6648BB #8B75CC #B1A1DC

Accessibility & contrast

On white

6.54

#6648BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#6648BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6648BB

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6648BB	#FFFFFF	#000000	##FFFFFF
##6648BB	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBF

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#4C627B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #6648bb;
/* rgb */ color: rgb(102, 72, 187);
/* oklch */ color: oklch(49.7% 0.173 290.8);

Tailwind

colors: {
  custom: {
    50: '#987cd0',
    500: '#6648bb',
    950: '#000000',
  },
}

SCSS

$custom: #6648bb;
$custom-light: #987cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#6648bb",
  "rgb": {
    "r": 102,
    "g": 72,
    "b": 187
  },
  "hsl": {
    "h": 255.652,
    "s": 45.817,
    "l": 50.784
  },
  "oklch": {
    "l": 0.497,
    "c": 0.17267,
    "h": 290.8
  },
  "luminance": 0.11047
}

Semantic roles & 50–950 ramp

primary

#6648BB

secondary

#BCC996

accent

#D552B3

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0914

muted

#7E7B82

Preview Lab

Preview with #6648BB

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

Preview Lab → · Contrast checker → · Palette generator →