#644EA7#644EA7

#644EA7 is a mid, vivid violet. Relative luminance 0.109; OKLCH L 49.1% C 0.138 H 291.9°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#644EA7
RGB	rgb(100, 78, 167)
HSL	hsl(255, 36%, 48%)
HSV	hsv(255, 53%, 65%)
CMYK	cmyk(40.1%, 53.3%, 0%, 34.5%)
CIE-LAB	lab(39.49, 30.73, -44.98)
CIE-LCH	lch(39.49, 54.48, 304.34°)
OKLab	oklab(49.1% 0.0514 -0.1276)
OKLCH	oklch(49.1% 0.138 291.9)
XYZ	xyz(14.9531, 10.9477, 37.8770)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EA7 #91A74E

analogous

#4E64A7 #644EA7 #904EA7

triadic

#644EA7 #A7644E #4EA764

tetradic

#644EA7 #A74E64 #91A74E #4EA790

square

#644EA7 #A74E64 #91A74E #4EA790

split-complementary

#644EA7 #A7904E #64A74E

monochromatic

#322754 #4B3B7D #644EA7 #8674BE #AB9ED2

Accessibility & contrast

On white

6.58

#644EA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#644EA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EA7

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EA7	#FFFFFF	#000000	##FFFFFF
##644EA7	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275EAA

Deuteranopia (green-blind)

#2B5BA5

Tritanopia (blue-blind)

#526073

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644ea7;
/* rgb */ color: rgb(100, 78, 167);
/* oklch */ color: oklch(49.1% 0.138 291.9);

Tailwind

colors: {
  custom: {
    50: '#9480c2',
    500: '#644ea7',
    950: '#000000',
  },
}

SCSS

$custom: #644ea7;
$custom-light: #9480c2;
$custom-dark: #000000;

JSON

{
  "hex": "#644ea7",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 167
  },
  "hsl": {
    "h": 254.831,
    "s": 36.327,
    "l": 48.039
  },
  "oklch": {
    "l": 0.49102,
    "c": 0.13755,
    "h": 291.9
  },
  "luminance": 0.10948
}

Semantic roles & 50–950 ramp

primary

#644EA7

secondary

#B4BE92

accent

#CC5BB0

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644EA7

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

Preview Lab → · Contrast checker → · Palette generator →