#641F8F#641F8F

#641F8F is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.6% C 0.174 H 308.4°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#641F8F
RGB	rgb(100, 31, 143)
HSL	hsl(277, 64%, 34%)
HSV	hsv(277, 78%, 56%)
CMYK	cmyk(30.1%, 78.3%, 0%, 43.9%)
CIE-LAB	lab(28.57, 49.33, -48.04)
CIE-LCH	lch(28.57, 68.86, 315.76°)
OKLab	oklab(40.65% 0.1081 -0.1364)
OKLCH	oklch(40.65% 0.174 308.4)
XYZ	xyz(10.7024, 5.6726, 26.5124)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F8F #4A8F1F

analogous

#2C1F8F #641F8F #8F1F82

triadic

#641F8F #8F641F #1F8F64

tetradic

#641F8F #8F2C1F #4A8F1F #1F828F

square

#641F8F #8F2C1F #4A8F1F #1F828F

split-complementary

#641F8F #828F1F #1F8F2C

monochromatic

#1E092A #41145D #641F8F #872AC1 #A44FD9

Accessibility & contrast

On white

9.84

#641F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#641F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F8F

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F8F	#FFFFFF	#000000	##FFFFFF
##641F8F	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004192

Deuteranopia (green-blind)

#00448D

Tritanopia (blue-blind)

#5D3B56

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641f8f;
/* rgb */ color: rgb(100, 31, 143);
/* oklch */ color: oklch(40.6% 0.174 308.4);

Tailwind

colors: {
  custom: {
    50: '#9563b1',
    500: '#641f8f',
    950: '#000000',
  },
}

SCSS

$custom: #641f8f;
$custom-light: #9563b1;
$custom-dark: #000000;

JSON

{
  "hex": "#641f8f",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 143
  },
  "hsl": {
    "h": 276.964,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40647,
    "c": 0.17406,
    "h": 308.4
  },
  "luminance": 0.05672
}

Semantic roles & 50–950 ramp

primary

#641F8F

secondary

#78BC4E

accent

#E74081

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #641F8F

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

Preview Lab → · Contrast checker → · Palette generator →