#641BB0#641BB0

#641BB0 is a dark, highly saturated violet. Relative luminance 0.066; OKLCH L 43.2% C 0.210 H 298.8°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#641BB0
RGB	rgb(100, 27, 176)
HSL	hsl(269, 73%, 40%)
HSV	hsv(269, 85%, 69%)
CMYK	cmyk(43.2%, 84.7%, 0%, 31%)
CIE-LAB	lab(30.94, 58.42, -64.23)
CIE-LCH	lch(30.94, 86.82, 312.29°)
OKLab	oklab(43.18% 0.1013 -0.1839)
OKLCH	oklch(43.18% 0.21 298.8)
XYZ	xyz(13.4819, 6.6276, 41.6348)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641BB0 #67B01B

analogous

#1B1DB0 #641BB0 #AF1BB0

triadic

#641BB0 #B0641B #1BB064

tetradic

#641BB0 #B01B1D #67B01B #1BB0AF

square

#641BB0 #B01B1D #67B01B #1BB0AF

split-complementary

#641BB0 #B0AF1B #1DB01B

monochromatic

#280B46 #46137B #641BB0 #822ADE #A15FE6

Accessibility & contrast

On white

9.03

#641BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#641BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641BB0

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641BB0	#FFFFFF	#000000	##FFFFFF
##641BB0	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B4

Deuteranopia (green-blind)

#0047AD

Tritanopia (blue-blind)

#514869

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #641bb0;
/* rgb */ color: rgb(100, 27, 176);
/* oklch */ color: oklch(43.2% 0.210 298.8);

Tailwind

colors: {
  custom: {
    50: '#9863c9',
    500: '#641bb0',
    950: '#000000',
  },
}

SCSS

$custom: #641bb0;
$custom-light: #9863c9;
$custom-dark: #000000;

JSON

{
  "hex": "#641bb0",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 176
  },
  "hsl": {
    "h": 269.396,
    "s": 73.399,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43178,
    "c": 0.20996,
    "h": 298.8
  },
  "luminance": 0.06628
}

Semantic roles & 50–950 ramp

primary

#641BB0

secondary

#95CB5C

accent

#F03896

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0F0613

muted

#7E7A82

Preview Lab

Preview with #641BB0

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

Preview Lab → · Contrast checker → · Palette generator →