#641FA9#641FA9

#641FA9 is a dark, vivid violet. Relative luminance 0.066; OKLCH L 42.9% C 0.200 H 300.3°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#641FA9
RGB	rgb(100, 31, 169)
HSL	hsl(270, 69%, 39%)
HSV	hsv(270, 82%, 66%)
CMYK	cmyk(40.8%, 81.7%, 0%, 33.7%)
CIE-LAB	lab(30.77, 55.40, -60.32)
CIE-LCH	lch(30.77, 81.90, 312.57°)
OKLab	oklab(42.86% 0.101 -0.1725)
OKLCH	oklch(42.86% 0.2 300.3)
XYZ	xyz(12.9052, 6.5537, 38.1135)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641FA9 #64A91F

analogous

#1F1FA9 #641FA9 #A91FA9

triadic

#641FA9 #A9641F #1FA964

tetradic

#641FA9 #A91F1F #64A91F #1FA9A9

square

#641FA9 #A91F1F #64A91F #1FA9A9

split-complementary

#641FA9 #A9A91F #1FA91F

monochromatic

#270C42 #451675 #641FA9 #832DD8 #A160E2

Accessibility & contrast

On white

9.09

#641FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#641FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641FA9

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641FA9	#FFFFFF	#000000	##FFFFFF
##641FA9	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AD

Deuteranopia (green-blind)

#0047A6

Tritanopia (blue-blind)

#544665

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #641fa9;
/* rgb */ color: rgb(100, 31, 169);
/* oklch */ color: oklch(42.9% 0.200 300.3);

Tailwind

colors: {
  custom: {
    50: '#9764c4',
    500: '#641fa9',
    950: '#000000',
  },
}

SCSS

$custom: #641fa9;
$custom-light: #9764c4;
$custom-dark: #000000;

JSON

{
  "hex": "#641fa9",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 169
  },
  "hsl": {
    "h": 270,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.42862,
    "c": 0.19987,
    "h": 300.3
  },
  "luminance": 0.06554
}

Semantic roles & 50–950 ramp

primary

#641FA9

secondary

#92C75D

accent

#EC3C94

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0613

muted

#7E7A82

Preview Lab

Preview with #641FA9

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

Preview Lab → · Contrast checker → · Palette generator →