#641C8E#641C8E

#641C8E is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.3% C 0.176 H 309.0°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#641C8E
RGB	rgb(100, 28, 142)
HSL	hsl(278, 67%, 33%)
HSV	hsv(278, 80%, 56%)
CMYK	cmyk(29.6%, 80.3%, 0%, 44.3%)
CIE-LAB	lab(28.10, 50.24, -48.20)
CIE-LCH	lch(28.10, 69.62, 316.19°)
OKLab	oklab(40.29% 0.1109 -0.1369)
OKLCH	oklch(40.29% 0.176 309)
XYZ	xyz(10.5523, 5.4930, 26.0903)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C8E #468E1C

analogous

#2B1C8E #641C8E #8E1C7F

triadic

#641C8E #8E641C #1C8E64

tetradic

#641C8E #8E2B1C #468E1C #1C7F8E

square

#641C8E #8E2B1C #468E1C #1C7F8E

split-complementary

#641C8E #7F8E1C #1C8E2B

monochromatic

#1C0828 #40125B #641C8E #8826C1 #A549DB

Accessibility & contrast

On white

10.01

#641C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#641C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C8E

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C8E	#FFFFFF	#000000	##FFFFFF
##641C8E	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004091

Deuteranopia (green-blind)

#00438C

Tritanopia (blue-blind)

#5E3955

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #641c8e;
/* rgb */ color: rgb(100, 28, 142);
/* oklch */ color: oklch(40.3% 0.176 309.0);

Tailwind

colors: {
  custom: {
    50: '#9561b0',
    500: '#641c8e',
    950: '#000000',
  },
}

SCSS

$custom: #641c8e;
$custom-light: #9561b0;
$custom-dark: #000000;

JSON

{
  "hex": "#641c8e",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 142
  },
  "hsl": {
    "h": 277.895,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.40289,
    "c": 0.17619,
    "h": 309
  },
  "luminance": 0.05493
}

Semantic roles & 50–950 ramp

primary

#641C8E

secondary

#74BD49

accent

#EA3E7D

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641C8E

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

Preview Lab → · Contrast checker → · Palette generator →