#644AA1#644AA1

#644AA1 is a mid, vivid violet. Relative luminance 0.102; OKLCH L 48.0% C 0.136 H 294.5°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#644AA1
RGB	rgb(100, 74, 161)
HSL	hsl(258, 37%, 46%)
HSV	hsv(258, 54%, 63%)
CMYK	cmyk(37.9%, 54%, 0%, 36.9%)
CIE-LAB	lab(38.16, 31.45, -43.53)
CIE-LCH	lch(38.16, 53.70, 305.85°)
OKLab	oklab(47.99% 0.0563 -0.1233)
OKLCH	oklch(47.99% 0.136 294.5)
XYZ	xyz(14.1357, 10.1798, 34.9314)
Luminance	0.1018 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644AA1 #87A14A

analogous

#4A5BA1 #644AA1 #8F4AA1

triadic

#644AA1 #A1644A #4AA164

tetradic

#644AA1 #A14A5B #87A14A #4AA18F

square

#644AA1 #A14A5B #87A14A #4AA18F

split-complementary

#644AA1 #A18F4A #5BA14A

monochromatic

#30234D #4A3777 #644AA1 #846DBC #A796CF

Accessibility & contrast

On white

6.92

#644AA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#644AA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AA1

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644AA1	#FFFFFF	#000000	##FFFFFF
##644AA1	1.00	6.92	3.04	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255BA4

Deuteranopia (green-blind)

#2B589F

Tritanopia (blue-blind)

#555C6E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #644aa1;
/* rgb */ color: rgb(100, 74, 161);
/* oklch */ color: oklch(48.0% 0.136 294.5);

Tailwind

colors: {
  custom: {
    50: '#947dbd',
    500: '#644aa1',
    950: '#000000',
  },
}

SCSS

$custom: #644aa1;
$custom-light: #947dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#644aa1",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 161
  },
  "hsl": {
    "h": 257.931,
    "s": 37.021,
    "l": 46.078
  },
  "oklch": {
    "l": 0.47994,
    "c": 0.13556,
    "h": 294.5
  },
  "luminance": 0.1018
}

Semantic roles & 50–950 ramp

primary

#644AA1

secondary

#ADBB8C

accent

#CD5BAB

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644AA1

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

Preview Lab → · Contrast checker → · Palette generator →