#644E99#644E99

#644E99 is a mid, moderate violet. Relative luminance 0.105; OKLCH L 48.2% C 0.118 H 295.1°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#644E99
RGB	rgb(100, 78, 153)
HSL	hsl(258, 32%, 45%)
HSV	hsv(258, 49%, 60%)
CMYK	cmyk(34.6%, 49%, 0%, 40%)
CIE-LAB	lab(38.65, 26.77, -37.94)
CIE-LCH	lch(38.65, 46.44, 305.20°)
OKLab	oklab(48.2% 0.0502 -0.107)
OKLCH	oklch(48.2% 0.118 295.1)
XYZ	xyz(13.7282, 10.4578, 31.4261)
Luminance	0.1046 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644E99 #83994E

analogous

#4E5D99 #644E99 #894E99

triadic

#644E99 #99644E #4E9964

tetradic

#644E99 #994E5D #83994E #4E9989

square

#644E99 #994E5D #83994E #4E9989

split-complementary

#644E99 #99894E #5D994E

monochromatic

#2F2548 #4A3970 #644E99 #836FB5 #A697CA

Accessibility & contrast

On white

6.79

#644E99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#644E99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644E99

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644E99	#FFFFFF	#000000	##FFFFFF
##644E99	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345C9C

Deuteranopia (green-blind)

#385A97

Tritanopia (blue-blind)

#585C6C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #644e99;
/* rgb */ color: rgb(100, 78, 153);
/* oklch */ color: oklch(48.2% 0.118 295.1);

Tailwind

colors: {
  custom: {
    50: '#9380b7',
    500: '#644e99',
    950: '#000000',
  },
}

SCSS

$custom: #644e99;
$custom-light: #9380b7;
$custom-dark: #000000;

JSON

{
  "hex": "#644e99",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 153
  },
  "hsl": {
    "h": 257.6,
    "s": 32.468,
    "l": 45.294
  },
  "oklch": {
    "l": 0.48203,
    "c": 0.11815,
    "h": 295.1
  },
  "luminance": 0.10458
}

Semantic roles & 50–950 ramp

primary

#644E99

secondary

#AAB78C

accent

#C95FAA

background

#F9F7FB

surface

#F1EEF6

border

#CBC9D0

text

#0D0A11

muted

#7E7C80

Preview Lab

Preview with #644E99

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

Preview Lab → · Contrast checker → · Palette generator →