#644DAB#644DAB

#644DAB is a mid, vivid violet. Relative luminance 0.110; OKLCH L 49.2% C 0.145 H 291.4°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#644DAB
RGB	rgb(100, 77, 171)
HSL	hsl(255, 38%, 49%)
HSV	hsv(255, 55%, 67%)
CMYK	cmyk(41.5%, 55%, 0%, 32.9%)
CIE-LAB	lab(39.51, 32.48, -47.33)
CIE-LCH	lch(39.51, 57.41, 304.46°)
OKLab	oklab(49.2% 0.0528 -0.1345)
OKLCH	oklch(49.2% 0.145 291.4)
XYZ	xyz(15.2581, 10.9569, 39.8312)
Luminance	0.1096 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DAB #94AB4D

analogous

#4D65AB #644DAB #934DAB

triadic

#644DAB #AB644D #4DAB64

tetradic

#644DAB #AB4D65 #94AB4D #4DAB93

square

#644DAB #AB4D65 #94AB4D #4DAB93

split-complementary

#644DAB #AB934D #65AB4D

monochromatic

#332757 #4B3A81 #644DAB #8775C1 #AC9FD4

Accessibility & contrast

On white

6.58

#644DAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#644DAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DAB

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DAB	#FFFFFF	#000000	##FFFFFF
##644DAB	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205FAE

Deuteranopia (green-blind)

#245BA9

Tritanopia (blue-blind)

#516174

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644dab;
/* rgb */ color: rgb(100, 77, 171);
/* oklch */ color: oklch(49.2% 0.145 291.4);

Tailwind

colors: {
  custom: {
    50: '#947fc5',
    500: '#644dab',
    950: '#000000',
  },
}

SCSS

$custom: #644dab;
$custom-light: #947fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#644dab",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 171
  },
  "hsl": {
    "h": 254.681,
    "s": 37.903,
    "l": 48.627
  },
  "oklch": {
    "l": 0.49195,
    "c": 0.14451,
    "h": 291.4
  },
  "luminance": 0.10957
}

Semantic roles & 50–950 ramp

primary

#644DAB

secondary

#B5C093

accent

#CE5AB1

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644DAB

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

Preview Lab → · Contrast checker → · Palette generator →