#641B7D#641B7D

#641B7D is a dark, vivid purple. Relative luminance 0.050; OKLCH L 38.9% C 0.161 H 315.7°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#641B7D
RGB	rgb(100, 27, 125)
HSL	hsl(285, 64%, 30%)
HSV	hsv(285, 78%, 49%)
CMYK	cmyk(20%, 78.4%, 0%, 51%)
CIE-LAB	lab(26.66, 46.92, -39.88)
CIE-LCH	lch(26.66, 61.58, 319.63°)
OKLab	oklab(38.87% 0.1152 -0.1124)
OKLCH	oklch(38.87% 0.161 315.7)
XYZ	xyz(9.3485, 4.9742, 19.8657)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B7D #347D1B

analogous

#331B7D #641B7D #7D1B65

triadic

#641B7D #7D641B #1B7D64

tetradic

#641B7D #7D331B #347D1B #1B657D

square

#641B7D #7D331B #347D1B #1B657D

split-complementary

#641B7D #657D1B #1B7D33

monochromatic

#140519 #3C104B #641B7D #8C26AF #AE3DD5

Accessibility & contrast

On white

10.53

#641B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#641B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B7D

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B7D	#FFFFFF	#000000	##FFFFFF
##641B7D	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B80

Deuteranopia (green-blind)

#19417B

Tritanopia (blue-blind)

#62314B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #641b7d;
/* rgb */ color: rgb(100, 27, 125);
/* oklch */ color: oklch(38.9% 0.161 315.7);

Tailwind

colors: {
  custom: {
    50: '#9460a3',
    500: '#641b7d',
    950: '#000000',
  },
}

SCSS

$custom: #641b7d;
$custom-light: #9460a3;
$custom-dark: #000000;

JSON

{
  "hex": "#641b7d",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 125
  },
  "hsl": {
    "h": 284.694,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.38868,
    "c": 0.16098,
    "h": 315.7
  },
  "luminance": 0.04974
}

Semantic roles & 50–950 ramp

primary

#641B7D

secondary

#5FB143

accent

#E7406B

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #641B7D

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

Preview Lab → · Contrast checker → · Palette generator →