#644F99#644F99

#644F99 is a mid, moderate violet. Relative luminance 0.106; OKLCH L 48.4% C 0.117 H 294.7°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#644F99
RGB	rgb(100, 79, 153)
HSL	hsl(257, 32%, 45%)
HSV	hsv(257, 48%, 60%)
CMYK	cmyk(34.6%, 48.4%, 0%, 40%)
CIE-LAB	lab(38.90, 26.16, -37.55)
CIE-LCH	lch(38.90, 45.76, 304.86°)
OKLab	oklab(48.39% 0.0488 -0.1058)
OKLCH	oklch(48.39% 0.117 294.7)
XYZ	xyz(13.7998, 10.6010, 31.4499)
Luminance	0.1060 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F99 #84994F

analogous

#4F5F99 #644F99 #894F99

triadic

#644F99 #99644F #4F9964

tetradic

#644F99 #994F5F #84994F #4F9989

square

#644F99 #994F5F #84994F #4F9989

split-complementary

#644F99 #99894F #5F994F

monochromatic

#2F2548 #4A3A71 #644F99 #8470B5 #A698CA

Accessibility & contrast

On white

6.73

#644F99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#644F99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644F99

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F99	#FFFFFF	#000000	##FFFFFF
##644F99	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365C9C

Deuteranopia (green-blind)

#395A97

Tritanopia (blue-blind)

#585D6D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #644f99;
/* rgb */ color: rgb(100, 79, 153);
/* oklch */ color: oklch(48.4% 0.117 294.7);

Tailwind

colors: {
  custom: {
    50: '#9380b7',
    500: '#644f99',
    950: '#000000',
  },
}

SCSS

$custom: #644f99;
$custom-light: #9380b7;
$custom-dark: #000000;

JSON

{
  "hex": "#644f99",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 153
  },
  "hsl": {
    "h": 257.027,
    "s": 31.897,
    "l": 45.49
  },
  "oklch": {
    "l": 0.48389,
    "c": 0.11651,
    "h": 294.7
  },
  "luminance": 0.10601
}

Semantic roles & 50–950 ramp

primary

#644F99

secondary

#ABB78D

accent

#C860AA

background

#F9F7FB

surface

#F1EEF6

border

#CBC9D0

text

#0D0A11

muted

#7E7C80

Preview Lab

Preview with #644F99

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

Preview Lab → · Contrast checker → · Palette generator →