#641B9E#641B9E

#641B9E is a dark, vivid violet. Relative luminance 0.060; OKLCH L 41.6% C 0.193 H 303.9°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#641B9E
RGB	rgb(100, 27, 158)
HSL	hsl(273, 71%, 36%)
HSV	hsv(273, 83%, 62%)
CMYK	cmyk(36.7%, 82.9%, 0%, 38%)
CIE-LAB	lab(29.32, 54.23, -56.03)
CIE-LCH	lch(29.32, 77.98, 314.06°)
OKLab	oklab(41.56% 0.1073 -0.1599)
OKLCH	oklch(41.56% 0.193 303.9)
XYZ	xyz(11.8176, 5.9618, 32.8693)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B9E #559E1B

analogous

#231B9E #641B9E #9E1B97

triadic

#641B9E #9E641B #1B9E64

tetradic

#641B9E #9E231B #559E1B #1B979E

square

#641B9E #9E231B #559E1B #1B979E

split-complementary

#641B9E #979E1B #1B9E23

monochromatic

#220935 #43126A #641B9E #8524D2 #A252E1

Accessibility & contrast

On white

9.58

#641B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#641B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B9E

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B9E	#FFFFFF	#000000	##FFFFFF
##641B9E	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A1

Deuteranopia (green-blind)

#00459C

Tritanopia (blue-blind)

#58405E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #641b9e;
/* rgb */ color: rgb(100, 27, 158);
/* oklch */ color: oklch(41.6% 0.193 303.9);

Tailwind

colors: {
  custom: {
    50: '#9662bc',
    500: '#641b9e',
    950: '#000000',
  },
}

SCSS

$custom: #641b9e;
$custom-light: #9662bc;
$custom-dark: #000000;

JSON

{
  "hex": "#641b9e",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 158
  },
  "hsl": {
    "h": 273.435,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.41556,
    "c": 0.19257,
    "h": 303.9
  },
  "luminance": 0.05962
}

Semantic roles & 50–950 ramp

primary

#641B9E

secondary

#84C451

accent

#EE3A8A

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #641B9E

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

Preview Lab → · Contrast checker → · Palette generator →