#644B7B#644B7B

#644B7B is a mid, moderate violet. Relative luminance 0.092; OKLCH L 45.9% C 0.081 H 307.4°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#644B7B
RGB	rgb(100, 75, 123)
HSL	hsl(271, 24%, 39%)
HSV	hsv(271, 39%, 48%)
CMYK	cmyk(18.7%, 39%, 0%, 51.8%)
CIE-LAB	lab(36.31, 20.71, -23.32)
CIE-LCH	lch(36.31, 31.19, 311.60°)
OKLab	oklab(45.92% 0.0493 -0.0645)
OKLCH	oklch(45.92% 0.081 307.4)
XYZ	xyz(11.3461, 9.1716, 19.9076)
Luminance	0.0917 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B7B #627B4B

analogous

#4C4B7B #644B7B #7B4B7A

triadic

#644B7B #7B644B #4B7B64

tetradic

#644B7B #7B4C4B #627B4B #4B7A7B

square

#644B7B #7B4C4B #627B4B #4B7A7B

split-complementary

#644B7B #7A7B4B #4B7B4C

monochromatic

#261D2F #453455 #644B7B #8363A0 #A189B7

Accessibility & contrast

On white

7.41

#644B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#644B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B7B

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B7B	#FFFFFF	#000000	##FFFFFF
##644B7B	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41547D

Deuteranopia (green-blind)

#47567A

Tritanopia (blue-blind)

#61525D

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #644b7b;
/* rgb */ color: rgb(100, 75, 123);
/* oklch */ color: oklch(45.9% 0.081 307.4);

Tailwind

colors: {
  custom: {
    50: '#917da1',
    500: '#644b7b',
    950: '#000000',
  },
}

SCSS

$custom: #644b7b;
$custom-light: #917da1;
$custom-dark: #000000;

JSON

{
  "hex": "#644b7b",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 123
  },
  "hsl": {
    "h": 271.25,
    "s": 24.242,
    "l": 38.824
  },
  "oklch": {
    "l": 0.45924,
    "c": 0.08121,
    "h": 307.4
  },
  "luminance": 0.09172
}

Semantic roles & 50–950 ramp

primary

#644B7B

secondary

#90A47E

accent

#C16792

background

#F8F7F9

surface

#F0EEF2

border

#CBC9CC

text

#0D090F

muted

#7D7B7E

Preview Lab

Preview with #644B7B

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

Preview Lab → · Contrast checker → · Palette generator →