#644B99#644B99

#644B99 is a mid, vivid violet. Relative luminance 0.100; OKLCH L 47.7% C 0.123 H 296.2°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#644B99
RGB	rgb(100, 75, 153)
HSL	hsl(259, 34%, 45%)
HSV	hsv(259, 51%, 60%)
CMYK	cmyk(34.6%, 51%, 0%, 40%)
CIE-LAB	lab(37.92, 28.61, -39.12)
CIE-LCH	lch(37.92, 48.46, 306.18°)
OKLab	oklab(47.65% 0.0543 -0.1104)
OKLCH	oklch(47.65% 0.123 296.2)
XYZ	xyz(13.5199, 10.0412, 31.3567)
Luminance	0.1004 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B99 #80994B

analogous

#4B5999 #644B99 #8B4B99

triadic

#644B99 #99644B #4B9964

tetradic

#644B99 #994B59 #80994B #4B998B

square

#644B99 #994B59 #80994B #4B998B

split-complementary

#644B99 #998B4B #59994B

monochromatic

#2E2347 #493770 #644B99 #836BB6 #A594CB

Accessibility & contrast

On white

6.98

#644B99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#644B99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644B99

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B99	#FFFFFF	#000000	##FFFFFF
##644B99	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5A9C

Deuteranopia (green-blind)

#345897

Tritanopia (blue-blind)

#585A6B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #644b99;
/* rgb */ color: rgb(100, 75, 153);
/* oklch */ color: oklch(47.7% 0.123 296.2);

Tailwind

colors: {
  custom: {
    50: '#937eb7',
    500: '#644b99',
    950: '#000000',
  },
}

SCSS

$custom: #644b99;
$custom-light: #937eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#644b99",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 153
  },
  "hsl": {
    "h": 259.231,
    "s": 34.211,
    "l": 44.706
  },
  "oklch": {
    "l": 0.47653,
    "c": 0.12304,
    "h": 296.2
  },
  "luminance": 0.10041
}

Semantic roles & 50–950 ramp

primary

#644B99

secondary

#A8B789

accent

#CA5EA7

background

#F9F7FB

surface

#F1EEF6

border

#CBC9D0

text

#0D0A11

muted

#7E7C80

Preview Lab

Preview with #644B99

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

Preview Lab → · Contrast checker → · Palette generator →