#641DB3#641DB3

#641DB3 is a dark, highly saturated violet. Relative luminance 0.068; OKLCH L 43.6% C 0.211 H 297.9°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#641DB3
RGB	rgb(100, 29, 179)
HSL	hsl(268, 72%, 41%)
HSV	hsv(268, 84%, 70%)
CMYK	cmyk(44.1%, 83.8%, 0%, 29.8%)
CIE-LAB	lab(31.45, 58.48, -65.19)
CIE-LCH	lch(31.45, 87.58, 311.89°)
OKLab	oklab(43.61% 0.099 -0.1868)
OKLCH	oklch(43.61% 0.211 297.9)
XYZ	xyz(13.8295, 6.8425, 43.2312)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641DB3 #6CB31D

analogous

#1D21B3 #641DB3 #AF1DB3

triadic

#641DB3 #B3641D #1DB364

tetradic

#641DB3 #B31D21 #6CB31D #1DB3AF

square

#641DB3 #B31D21 #6CB31D #1DB3AF

split-complementary

#641DB3 #B3AF1D #21B31D

monochromatic

#290C4A #47147E #641DB3 #8230DD #A264E6

Accessibility & contrast

On white

8.87

#641DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#641DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641DB3

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641DB3	#FFFFFF	#000000	##FFFFFF
##641DB3	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB7

Deuteranopia (green-blind)

#0048B0

Tritanopia (blue-blind)

#4F4A6B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #641db3;
/* rgb */ color: rgb(100, 29, 179);
/* oklch */ color: oklch(43.6% 0.211 297.9);

Tailwind

colors: {
  custom: {
    50: '#9864cb',
    500: '#641db3',
    950: '#000000',
  },
}

SCSS

$custom: #641db3;
$custom-light: #9864cb;
$custom-dark: #000000;

JSON

{
  "hex": "#641db3",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 179
  },
  "hsl": {
    "h": 268.4,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.43609,
    "c": 0.21138,
    "h": 297.9
  },
  "luminance": 0.06843
}

Semantic roles & 50–950 ramp

primary

#641DB3

secondary

#99CB61

accent

#EF3999

background

#FAF6FC

surface

#F3EBF9

border

#CDC6D2

text

#0F0613

muted

#7F7A82

Preview Lab

Preview with #641DB3

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

Preview Lab → · Contrast checker → · Palette generator →