#644AA2#644AA2

#644AA2 is a mid, vivid violet. Relative luminance 0.102; OKLCH L 48.1% C 0.137 H 294.3°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#644AA2
RGB	rgb(100, 74, 162)
HSL	hsl(258, 37%, 46%)
HSV	hsv(258, 54%, 64%)
CMYK	cmyk(38.3%, 54.3%, 0%, 36.5%)
CIE-LAB	lab(38.23, 31.73, -44.03)
CIE-LCH	lch(38.23, 54.27, 305.78°)
OKLab	oklab(48.06% 0.0563 -0.1248)
OKLCH	oklch(48.06% 0.137 294.3)
XYZ	xyz(14.2242, 10.2152, 35.3977)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644AA2 #88A24A

analogous

#4A5CA2 #644AA2 #904AA2

triadic

#644AA2 #A2644A #4AA264

tetradic

#644AA2 #A24A5C #88A24A #4AA290

square

#644AA2 #A24A5C #88A24A #4AA290

split-complementary

#644AA2 #A2904A #5CA24A

monochromatic

#30244E #4A3778 #644AA2 #846DBC #A897CF

Accessibility & contrast

On white

6.90

#644AA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#644AA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AA2

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644AA2	#FFFFFF	#000000	##FFFFFF
##644AA2	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245BA5

Deuteranopia (green-blind)

#2A59A0

Tritanopia (blue-blind)

#555C6F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #644aa2;
/* rgb */ color: rgb(100, 74, 162);
/* oklch */ color: oklch(48.1% 0.137 294.3);

Tailwind

colors: {
  custom: {
    50: '#947dbe',
    500: '#644aa2',
    950: '#000000',
  },
}

SCSS

$custom: #644aa2;
$custom-light: #947dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#644aa2",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 162
  },
  "hsl": {
    "h": 257.727,
    "s": 37.288,
    "l": 46.275
  },
  "oklch": {
    "l": 0.48061,
    "c": 0.13692,
    "h": 294.3
  },
  "luminance": 0.10216
}

Semantic roles & 50–950 ramp

primary

#644AA2

secondary

#AEBC8C

accent

#CD5BAB

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644AA2

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

Preview Lab → · Contrast checker → · Palette generator →