#644F8D#644F8D

#644F8D is a mid, moderate violet. Relative luminance 0.102; OKLCH L 47.7% C 0.099 H 298.2°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#644F8D
RGB	rgb(100, 79, 141)
HSL	hsl(260, 28%, 43%)
HSV	hsv(260, 44%, 55%)
CMYK	cmyk(29.1%, 44%, 0%, 44.7%)
CIE-LAB	lab(38.24, 22.87, -31.33)
CIE-LCH	lch(38.24, 38.79, 306.13°)
OKLab	oklab(47.68% 0.0469 -0.0877)
OKLCH	oklch(47.68% 0.099 298.2)
XYZ	xyz(12.8581, 10.2243, 26.4902)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F8D #788D4F

analogous

#4F598D #644F8D #834F8D

triadic

#644F8D #8D644F #4F8D64

tetradic

#644F8D #8D4F59 #788D4F #4F8D83

square

#644F8D #8D4F59 #788D4F #4F8D83

split-complementary

#644F8D #8D834F #598D4F

monochromatic

#2C233F #483966 #644F8D #826CAD #A494C3

Accessibility & contrast

On white

6.90

#644F8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#644F8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644F8D

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F8D	#FFFFFF	#000000	##FFFFFF
##644F8D	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D5A8F

Deuteranopia (green-blind)

#41598B

Tritanopia (blue-blind)

#5C5A67

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #644f8d;
/* rgb */ color: rgb(100, 79, 141);
/* oklch */ color: oklch(47.7% 0.099 298.2);

Tailwind

colors: {
  custom: {
    50: '#9280ae',
    500: '#644f8d',
    950: '#000000',
  },
}

SCSS

$custom: #644f8d;
$custom-light: #9280ae;
$custom-dark: #000000;

JSON

{
  "hex": "#644f8d",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 141
  },
  "hsl": {
    "h": 260.323,
    "s": 28.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.47679,
    "c": 0.09947,
    "h": 298.2
  },
  "luminance": 0.10224
}

Semantic roles & 50–950 ramp

primary

#644F8D

secondary

#A2AF88

accent

#C463A4

background

#F9F7FA

surface

#F1EEF4

border

#CBC9CE

text

#0D0A10

muted

#7E7C7F

Preview Lab

Preview with #644F8D

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

Preview Lab → · Contrast checker → · Palette generator →