#641F9B#641F9B

#641F9B is a dark, vivid violet. Relative luminance 0.061; OKLCH L 41.6% C 0.186 H 304.4°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#641F9B
RGB	rgb(100, 31, 155)
HSL	hsl(273, 67%, 36%)
HSV	hsv(273, 80%, 61%)
CMYK	cmyk(35.5%, 80%, 0%, 39.2%)
CIE-LAB	lab(29.55, 52.10, -53.82)
CIE-LCH	lch(29.55, 74.90, 314.07°)
OKLab	oklab(41.64% 0.1051 -0.1534)
OKLCH	oklch(41.64% 0.186 304.4)
XYZ	xyz(11.6605, 6.0559, 31.5586)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F9B #569B1F

analogous

#261F9B #641F9B #9B1F94

triadic

#641F9B #9B641F #1F9B64

tetradic

#641F9B #9B261F #569B1F #1F949B

square

#641F9B #9B261F #569B1F #1F949B

split-complementary

#641F9B #949B1F #1F9B26

monochromatic

#220B35 #431568 #641F9B #8529CE #A257DD

Accessibility & contrast

On white

9.50

#641F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#641F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F9B

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F9B	#FFFFFF	#000000	##FFFFFF
##641F9B	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449E

Deuteranopia (green-blind)

#004699

Tritanopia (blue-blind)

#59405D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #641f9b;
/* rgb */ color: rgb(100, 31, 155);
/* oklch */ color: oklch(41.6% 0.186 304.4);

Tailwind

colors: {
  custom: {
    50: '#9663b9',
    500: '#641f9b',
    950: '#000000',
  },
}

SCSS

$custom: #641f9b;
$custom-light: #9663b9;
$custom-dark: #000000;

JSON

{
  "hex": "#641f9b",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 155
  },
  "hsl": {
    "h": 273.387,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.41641,
    "c": 0.18597,
    "h": 304.4
  },
  "luminance": 0.06056
}

Semantic roles & 50–950 ramp

primary

#641F9B

secondary

#85C155

accent

#EA3E8A

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #641F9B

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

Preview Lab → · Contrast checker → · Palette generator →