#644EA1#644EA1

#644EA1 is a mid, vivid violet. Relative luminance 0.107; OKLCH L 48.7% C 0.129 H 293.2°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#644EA1
RGB	rgb(100, 78, 161)
HSL	hsl(256, 35%, 47%)
HSV	hsv(256, 52%, 63%)
CMYK	cmyk(37.9%, 51.6%, 0%, 36.9%)
CIE-LAB	lab(39.12, 29.02, -41.99)
CIE-LCH	lch(39.12, 51.04, 304.64°)
OKLab	oklab(48.71% 0.051 -0.1188)
OKLCH	oklch(48.71% 0.129 293.2)
XYZ	xyz(14.4113, 10.7310, 35.0233)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EA1 #8BA14E

analogous

#4E62A1 #644EA1 #8E4EA1

triadic

#644EA1 #A1644E #4EA164

tetradic

#644EA1 #A14E62 #8BA14E #4EA18E

square

#644EA1 #A14E62 #8BA14E #4EA18E

split-complementary

#644EA1 #A18E4E #62A14E

monochromatic

#31264F #4A3A78 #644EA1 #8572BB #A99BCF

Accessibility & contrast

On white

6.67

#644EA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#644EA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EA1

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EA1	#FFFFFF	#000000	##FFFFFF
##644EA1	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5DA4

Deuteranopia (green-blind)

#315B9F

Tritanopia (blue-blind)

#555F70

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #644ea1;
/* rgb */ color: rgb(100, 78, 161);
/* oklch */ color: oklch(48.7% 0.129 293.2);

Tailwind

colors: {
  custom: {
    50: '#9380bd',
    500: '#644ea1',
    950: '#000000',
  },
}

SCSS

$custom: #644ea1;
$custom-light: #9380bd;
$custom-dark: #000000;

JSON

{
  "hex": "#644ea1",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 161
  },
  "hsl": {
    "h": 255.904,
    "s": 34.728,
    "l": 46.863
  },
  "oklch": {
    "l": 0.48708,
    "c": 0.12929,
    "h": 293.2
  },
  "luminance": 0.10731
}

Semantic roles & 50–950 ramp

primary

#644EA1

secondary

#B0BB90

accent

#CB5DAE

background

#F9F7FB

surface

#F2EEF6

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644EA1

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

Preview Lab → · Contrast checker → · Palette generator →