#641FA8#641FA8

#641FA8 is a dark, vivid violet. Relative luminance 0.065; OKLCH L 42.8% C 0.199 H 300.6°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#641FA8
RGB	rgb(100, 31, 168)
HSL	hsl(270, 69%, 39%)
HSV	hsv(270, 82%, 66%)
CMYK	cmyk(40.5%, 81.5%, 0%, 34.1%)
CIE-LAB	lab(30.68, 55.16, -59.86)
CIE-LCH	lch(30.68, 81.40, 312.66°)
OKLab	oklab(42.77% 0.1013 -0.1712)
OKLCH	oklch(42.77% 0.199 300.6)
XYZ	xyz(12.8116, 6.5163, 37.6210)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641FA8 #63A81F

analogous

#201FA8 #641FA8 #A81FA8

triadic

#641FA8 #A8641F #1FA864

tetradic

#641FA8 #A8201F #63A81F #1FA8A8

square

#641FA8 #A8201F #63A81F #1FA8A8

split-complementary

#641FA8 #A8A81F #1FA820

monochromatic

#260C41 #451574 #641FA8 #832CD8 #A160E2

Accessibility & contrast

On white

9.12

#641FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#641FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641FA8

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641FA8	#FFFFFF	#000000	##FFFFFF
##641FA8	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AC

Deuteranopia (green-blind)

#0047A5

Tritanopia (blue-blind)

#544665

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #641fa8;
/* rgb */ color: rgb(100, 31, 168);
/* oklch */ color: oklch(42.8% 0.199 300.6);

Tailwind

colors: {
  custom: {
    50: '#9764c3',
    500: '#641fa8',
    950: '#000000',
  },
}

SCSS

$custom: #641fa8;
$custom-light: #9764c3;
$custom-dark: #000000;

JSON

{
  "hex": "#641fa8",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 168
  },
  "hsl": {
    "h": 270.219,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.42773,
    "c": 0.19888,
    "h": 300.6
  },
  "luminance": 0.06516
}

Semantic roles & 50–950 ramp

primary

#641FA8

secondary

#91C65D

accent

#EC3C93

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0613

muted

#7E7A82

Preview Lab

Preview with #641FA8

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

Preview Lab → · Contrast checker → · Palette generator →