#644BAA#644BAA

#644BAA is a mid, vivid violet. Relative luminance 0.106; OKLCH L 48.8% C 0.146 H 292.2°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#644BAA
RGB	rgb(100, 75, 170)
HSL	hsl(256, 39%, 48%)
HSV	hsv(256, 56%, 67%)
CMYK	cmyk(41.2%, 55.9%, 0%, 33.3%)
CIE-LAB	lab(38.97, 33.40, -47.60)
CIE-LCH	lch(38.97, 58.15, 305.06°)
OKLab	oklab(48.78% 0.0553 -0.1353)
OKLCH	oklch(48.78% 0.146 292.2)
XYZ	xyz(15.0253, 10.6433, 39.2851)
Luminance	0.1064 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644BAA #91AA4B

analogous

#4B61AA #644BAA #934BAA

triadic

#644BAA #AA644B #4BAA64

tetradic

#644BAA #AA4B61 #91AA4B #4BAA93

square

#644BAA #AA4B61 #91AA4B #4BAA93

split-complementary

#644BAA #AA934B #61AA4B

monochromatic

#322655 #4B3880 #644BAA #8672C1 #AB9CD3

Accessibility & contrast

On white

6.71

#644BAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#644BAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BAA

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BAA	#FFFFFF	#000000	##FFFFFF
##644BAA	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B5DAD

Deuteranopia (green-blind)

#225AA8

Tritanopia (blue-blind)

#515F73

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #644baa;
/* rgb */ color: rgb(100, 75, 170);
/* oklch */ color: oklch(48.8% 0.146 292.2);

Tailwind

colors: {
  custom: {
    50: '#947ec4',
    500: '#644baa',
    950: '#000000',
  },
}

SCSS

$custom: #644baa;
$custom-light: #947ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#644baa",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 170
  },
  "hsl": {
    "h": 255.789,
    "s": 38.776,
    "l": 48.039
  },
  "oklch": {
    "l": 0.48778,
    "c": 0.14616,
    "h": 292.2
  },
  "luminance": 0.10644
}

Semantic roles & 50–950 ramp

primary

#644BAA

secondary

#B4C091

accent

#CF59B0

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644BAA

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

Preview Lab → · Contrast checker → · Palette generator →