#641D9B#641D9B

#641D9B is a dark, vivid violet. Relative luminance 0.060; OKLCH L 41.5% C 0.188 H 304.6°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#641D9B
RGB	rgb(100, 29, 155)
HSL	hsl(274, 68%, 36%)
HSV	hsv(274, 81%, 61%)
CMYK	cmyk(35.5%, 81.3%, 0%, 39.2%)
CIE-LAB	lab(29.30, 52.84, -54.23)
CIE-LCH	lch(29.30, 75.72, 314.25°)
OKLab	oklab(41.46% 0.1067 -0.1546)
OKLCH	oklch(41.46% 0.188 304.6)
XYZ	xyz(11.6099, 5.9547, 31.5417)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D9B #549B1D

analogous

#251D9B #641D9B #9B1D93

triadic

#641D9B #9B641D #1D9B64

tetradic

#641D9B #9B251D #549B1D #1D939B

square

#641D9B #9B251D #549B1D #1D939B

split-complementary

#641D9B #939B1D #1D9B25

monochromatic

#210A34 #431367 #641D9B #8527CF #A253DF

Accessibility & contrast

On white

9.58

#641D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#641D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D9B

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D9B	#FFFFFF	#000000	##FFFFFF
##641D9B	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)

#00439E

Deuteranopia (green-blind)

#004599

Tritanopia (blue-blind)

#593F5D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #641d9b;
/* rgb */ color: rgb(100, 29, 155);
/* oklch */ color: oklch(41.5% 0.188 304.6);

Tailwind

colors: {
  custom: {
    50: '#9663b9',
    500: '#641d9b',
    950: '#000000',
  },
}

SCSS

$custom: #641d9b;
$custom-light: #9663b9;
$custom-dark: #000000;

JSON

{
  "hex": "#641d9b",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 155
  },
  "hsl": {
    "h": 273.81,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.41463,
    "c": 0.18787,
    "h": 304.6
  },
  "luminance": 0.05955
}

Semantic roles & 50–950 ramp

primary

#641D9B

secondary

#83C252

accent

#EB3C89

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #641D9B

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

Preview Lab → · Contrast checker → · Palette generator →