#644B9C#644B9C

#644B9C is a mid, vivid violet. Relative luminance 0.101; OKLCH L 47.8% C 0.127 H 295.4°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#644B9C
RGB	rgb(100, 75, 156)
HSL	hsl(259, 35%, 45%)
HSV	hsv(259, 52%, 61%)
CMYK	cmyk(35.9%, 51.9%, 0%, 38.8%)
CIE-LAB	lab(38.10, 29.44, -40.64)
CIE-LCH	lch(38.10, 50.18, 305.92°)
OKLab	oklab(47.84% 0.0546 -0.1148)
OKLCH	oklch(47.84% 0.127 295.4)
XYZ	xyz(13.7708, 10.1415, 32.6780)
Luminance	0.1014 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B9C #839C4B

analogous

#4B5A9C #644B9C #8D4B9C

triadic

#644B9C #9C644B #4B9C64

tetradic

#644B9C #9C4B5A #839C4B #4B9C8D

square

#644B9C #9C4B5A #839C4B #4B9C8D

split-complementary

#644B9C #9C8D4B #5A9C4B

monochromatic

#2F2349 #4A3773 #644B9C #836CB8 #A695CC

Accessibility & contrast

On white

6.93

#644B9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#644B9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644B9C

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B9C	#FFFFFF	#000000	##FFFFFF
##644B9C	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5A9F

Deuteranopia (green-blind)

#32599A

Tritanopia (blue-blind)

#575B6C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #644b9c;
/* rgb */ color: rgb(100, 75, 156);
/* oklch */ color: oklch(47.8% 0.127 295.4);

Tailwind

colors: {
  custom: {
    50: '#937eba',
    500: '#644b9c',
    950: '#000000',
  },
}

SCSS

$custom: #644b9c;
$custom-light: #937eba;
$custom-dark: #000000;

JSON

{
  "hex": "#644b9c",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 156
  },
  "hsl": {
    "h": 258.519,
    "s": 35.065,
    "l": 45.294
  },
  "oklch": {
    "l": 0.47844,
    "c": 0.12716,
    "h": 295.4
  },
  "luminance": 0.10142
}

Semantic roles & 50–950 ramp

primary

#644B9C

secondary

#AAB88A

accent

#CB5DA9

background

#F9F7FB

surface

#F2EEF6

border

#CCC9D0

text

#0D0A11

muted

#7E7C80

Preview Lab

Preview with #644B9C

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

Preview Lab → · Contrast checker → · Palette generator →