#644DA7#644DA7

#644DA7 is a mid, vivid violet. Relative luminance 0.108; OKLCH L 48.9% C 0.139 H 292.3°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#644DA7
RGB	rgb(100, 77, 167)
HSL	hsl(255, 37%, 48%)
HSV	hsv(255, 54%, 65%)
CMYK	cmyk(40.1%, 53.9%, 0%, 34.5%)
CIE-LAB	lab(39.25, 31.34, -45.37)
CIE-LCH	lch(39.25, 55.14, 304.63°)
OKLab	oklab(48.92% 0.0527 -0.1287)
OKLCH	oklch(48.92% 0.139 292.3)
XYZ	xyz(14.8826, 10.8067, 37.8535)
Luminance	0.1081 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DA7 #90A74D

analogous

#4D63A7 #644DA7 #914DA7

triadic

#644DA7 #A7644D #4DA764

tetradic

#644DA7 #A74D63 #90A74D #4DA791

square

#644DA7 #A74D63 #90A74D #4DA791

split-complementary

#644DA7 #A7914D #63A74D

monochromatic

#322653 #4B3A7D #644DA7 #8673BE #AA9DD2

Accessibility & contrast

On white

6.64

#644DA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#644DA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DA7

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DA7	#FFFFFF	#000000	##FFFFFF
##644DA7	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)

#255EAA

Deuteranopia (green-blind)

#295BA5

Tritanopia (blue-blind)

#526072

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #644da7;
/* rgb */ color: rgb(100, 77, 167);
/* oklch */ color: oklch(48.9% 0.139 292.3);

Tailwind

colors: {
  custom: {
    50: '#947fc2',
    500: '#644da7',
    950: '#000000',
  },
}

SCSS

$custom: #644da7;
$custom-light: #947fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#644da7",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 167
  },
  "hsl": {
    "h": 255.333,
    "s": 36.885,
    "l": 47.843
  },
  "oklch": {
    "l": 0.48924,
    "c": 0.13908,
    "h": 292.3
  },
  "luminance": 0.10807
}

Semantic roles & 50–950 ramp

primary

#644DA7

secondary

#B3BE91

accent

#CD5BB0

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644DA7

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

Preview Lab → · Contrast checker → · Palette generator →