#641F8E#641F8E

#641F8E is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.6% C 0.173 H 308.7°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#641F8E
RGB	rgb(100, 31, 142)
HSL	hsl(277, 64%, 34%)
HSV	hsv(277, 78%, 56%)
CMYK	cmyk(29.6%, 78.2%, 0%, 44.3%)
CIE-LAB	lab(28.49, 49.10, -47.55)
CIE-LCH	lch(28.49, 68.35, 315.92°)
OKLab	oklab(40.57% 0.1083 -0.135)
OKLCH	oklch(40.57% 0.173 308.7)
XYZ	xyz(10.6270, 5.6425, 26.1152)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F8E #498E1F

analogous

#2C1F8E #641F8E #8E1F81

triadic

#641F8E #8E641F #1F8E64

tetradic

#641F8E #8E2C1F #498E1F #1F818E

square

#641F8E #8E2C1F #498E1F #1F818E

split-complementary

#641F8E #818E1F #1F8E2C

monochromatic

#1D092A #41145C #641F8E #872AC0 #A44FD9

Accessibility & contrast

On white

9.87

#641F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#641F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F8E

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F8E	#FFFFFF	#000000	##FFFFFF
##641F8E	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004191

Deuteranopia (green-blind)

#00448C

Tritanopia (blue-blind)

#5D3A56

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641f8e;
/* rgb */ color: rgb(100, 31, 142);
/* oklch */ color: oklch(40.6% 0.173 308.7);

Tailwind

colors: {
  custom: {
    50: '#9563b0',
    500: '#641f8e',
    950: '#000000',
  },
}

SCSS

$custom: #641f8e;
$custom-light: #9563b0;
$custom-dark: #000000;

JSON

{
  "hex": "#641f8e",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 142
  },
  "hsl": {
    "h": 277.297,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40567,
    "c": 0.17307,
    "h": 308.7
  },
  "luminance": 0.05642
}

Semantic roles & 50–950 ramp

primary

#641F8E

secondary

#77BB4D

accent

#E74180

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #641F8E

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

Preview Lab → · Contrast checker → · Palette generator →