#644EA8#644EA8

#644EA8 is a mid, vivid violet. Relative luminance 0.110; OKLCH L 49.2% C 0.139 H 291.7°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#644EA8
RGB	rgb(100, 78, 168)
HSL	hsl(255, 37%, 48%)
HSV	hsv(255, 54%, 66%)
CMYK	cmyk(40.5%, 53.6%, 0%, 34.1%)
CIE-LAB	lab(39.55, 31.02, -45.48)
CIE-LCH	lch(39.55, 55.05, 304.29°)
OKLab	oklab(49.17% 0.0514 -0.129)
OKLCH	oklch(49.17% 0.139 291.7)
XYZ	xyz(15.0459, 10.9848, 38.3657)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EA8 #92A84E

analogous

#4E65A8 #644EA8 #914EA8

triadic

#644EA8 #A8644E #4EA864

tetradic

#644EA8 #A84E65 #92A84E #4EA891

square

#644EA8 #A84E65 #92A84E #4EA891

split-complementary

#644EA8 #A8914E #65A84E

monochromatic

#322754 #4B3B7E #644EA8 #8775BF #AB9ED2

Accessibility & contrast

On white

6.57

#644EA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#644EA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EA8

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EA8	#FFFFFF	#000000	##FFFFFF
##644EA8	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#265FAB

Deuteranopia (green-blind)

#2A5BA6

Tritanopia (blue-blind)

#526173

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644ea8;
/* rgb */ color: rgb(100, 78, 168);
/* oklch */ color: oklch(49.2% 0.139 291.7);

Tailwind

colors: {
  custom: {
    50: '#9480c2',
    500: '#644ea8',
    950: '#000000',
  },
}

SCSS

$custom: #644ea8;
$custom-light: #9480c2;
$custom-dark: #000000;

JSON

{
  "hex": "#644ea8",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 168
  },
  "hsl": {
    "h": 254.667,
    "s": 36.585,
    "l": 48.235
  },
  "oklch": {
    "l": 0.49169,
    "c": 0.13892,
    "h": 291.7
  },
  "luminance": 0.10985
}

Semantic roles & 50–950 ramp

primary

#644EA8

secondary

#B4BF93

accent

#CD5BB1

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644EA8

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

Preview Lab → · Contrast checker → · Palette generator →