#641B92#641B92

#641B92 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.5% C 0.181 H 307.7°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#641B92
RGB	rgb(100, 27, 146)
HSL	hsl(277, 69%, 34%)
HSV	hsv(277, 82%, 57%)
CMYK	cmyk(31.5%, 81.5%, 0%, 42.7%)
CIE-LAB	lab(28.30, 51.50, -50.34)
CIE-LCH	lch(28.30, 72.02, 315.65°)
OKLab	oklab(40.53% 0.1108 -0.1432)
OKLCH	oklch(40.53% 0.181 307.7)
XYZ	xyz(10.8347, 5.5687, 27.6926)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B92 #49921B

analogous

#291B92 #641B92 #921B85

triadic

#641B92 #92641B #1B9264

tetradic

#641B92 #92291B #49921B #1B8592

square

#641B92 #92291B #49921B #1B8592

split-complementary

#641B92 #85921B #1B9229

monochromatic

#1D082B #41115E #641B92 #8725C6 #A44ADE

Accessibility & contrast

On white

9.93

#641B92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#641B92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B92

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B92	#FFFFFF	#000000	##FFFFFF
##641B92	1.00	9.93	2.11	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004095

Deuteranopia (green-blind)

#004390

Tritanopia (blue-blind)

#5C3A57

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641b92;
/* rgb */ color: rgb(100, 27, 146);
/* oklch */ color: oklch(40.5% 0.181 307.7);

Tailwind

colors: {
  custom: {
    50: '#9561b3',
    500: '#641b92',
    950: '#000000',
  },
}

SCSS

$custom: #641b92;
$custom-light: #9561b3;
$custom-dark: #000000;

JSON

{
  "hex": "#641b92",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 146
  },
  "hsl": {
    "h": 276.807,
    "s": 68.786,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40531,
    "c": 0.18101,
    "h": 307.7
  },
  "luminance": 0.05569
}

Semantic roles & 50–950 ramp

primary

#641B92

secondary

#77BF49

accent

#EC3C80

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641B92

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

Preview Lab → · Contrast checker → · Palette generator →