#644D7B#644D7B

#644D7B is a mid, moderate violet. Relative luminance 0.094; OKLCH L 46.3% C 0.077 H 306.6°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#644D7B
RGB	rgb(100, 77, 123)
HSL	hsl(270, 23%, 39%)
HSV	hsv(270, 37%, 48%)
CMYK	cmyk(18.7%, 37.4%, 0%, 51.8%)
CIE-LAB	lab(36.83, 19.46, -22.51)
CIE-LCH	lch(36.83, 29.76, 310.84°)
OKLab	oklab(46.32% 0.0461 -0.0622)
OKLCH	oklch(46.32% 0.077 306.6)
XYZ	xyz(11.4839, 9.4472, 19.9536)
Luminance	0.0945 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644D7B #647B4D

analogous

#4D4D7B #644D7B #7B4D7B

triadic

#644D7B #7B644D #4D7B64

tetradic

#644D7B #7B4D4D #647B4D #4D7B7B

square

#644D7B #7B4D4D #647B4D #4D7B7B

split-complementary

#644D7B #7B7B4D #4D7B4D

monochromatic

#271E30 #453555 #644D7B #83669F #A18CB7

Accessibility & contrast

On white

7.27

#644D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#644D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D7B

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644D7B	#FFFFFF	#000000	##FFFFFF
##644D7B	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43567D

Deuteranopia (green-blind)

#48577A

Tritanopia (blue-blind)

#61545E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #644d7b;
/* rgb */ color: rgb(100, 77, 123);
/* oklch */ color: oklch(46.3% 0.077 306.6);

Tailwind

colors: {
  custom: {
    50: '#917fa1',
    500: '#644d7b',
    950: '#000000',
  },
}

SCSS

$custom: #644d7b;
$custom-light: #917fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#644d7b",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 123
  },
  "hsl": {
    "h": 270,
    "s": 23,
    "l": 39.216
  },
  "oklch": {
    "l": 0.46318,
    "c": 0.07744,
    "h": 306.6
  },
  "luminance": 0.09447
}

Semantic roles & 50–950 ramp

primary

#644D7B

secondary

#92A380

accent

#BF6894

background

#F8F7F9

surface

#F0EEF2

border

#CBC9CC

text

#0D0A0F

muted

#7D7C7E

Preview Lab

Preview with #644D7B

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

Preview Lab → · Contrast checker → · Palette generator →