#641B7F#641B7F

#641B7F is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.0% C 0.163 H 314.9°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#641B7F
RGB	rgb(100, 27, 127)
HSL	hsl(284, 65%, 30%)
HSV	hsv(284, 79%, 50%)
CMYK	cmyk(21.3%, 78.7%, 0%, 50.2%)
CIE-LAB	lab(26.81, 47.34, -40.91)
CIE-LCH	lch(26.81, 62.57, 319.17°)
OKLab	oklab(39.02% 0.1149 -0.1154)
OKLCH	oklch(39.02% 0.163 314.9)
XYZ	xyz(9.4776, 5.0258, 20.5454)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B7F #367F1B

analogous

#321B7F #641B7F #7F1B68

triadic

#641B7F #7F641B #1B7F64

tetradic

#641B7F #7F321B #367F1B #1B687F

square

#641B7F #7F321B #367F1B #1B687F

split-complementary

#641B7F #687F1B #1B7F32

monochromatic

#15061A #3C104D #641B7F #8C26B1 #AD3ED6

Accessibility & contrast

On white

10.47

#641B7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#641B7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B7F

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B7F	#FFFFFF	#000000	##FFFFFF
##641B7F	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B82

Deuteranopia (green-blind)

#16417D

Tritanopia (blue-blind)

#62324C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #641b7f;
/* rgb */ color: rgb(100, 27, 127);
/* oklch */ color: oklch(39.0% 0.163 314.9);

Tailwind

colors: {
  custom: {
    50: '#9460a5',
    500: '#641b7f',
    950: '#000000',
  },
}

SCSS

$custom: #641b7f;
$custom-light: #9460a5;
$custom-dark: #000000;

JSON

{
  "hex": "#641b7f",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 127
  },
  "hsl": {
    "h": 283.8,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.39019,
    "c": 0.16288,
    "h": 314.9
  },
  "luminance": 0.05025
}

Semantic roles & 50–950 ramp

primary

#641B7F

secondary

#61B343

accent

#E8406D

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #641B7F

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

Preview Lab → · Contrast checker → · Palette generator →