#641B7E#641B7E

#641B7E is a dark, vivid purple. Relative luminance 0.050; OKLCH L 38.9% C 0.162 H 315.3°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#641B7E
RGB	rgb(100, 27, 126)
HSL	hsl(284, 65%, 30%)
HSV	hsv(284, 79%, 49%)
CMYK	cmyk(20.6%, 78.6%, 0%, 50.6%)
CIE-LAB	lab(26.73, 47.13, -40.39)
CIE-LCH	lch(26.73, 62.07, 319.40°)
OKLab	oklab(38.94% 0.1151 -0.1139)
OKLCH	oklch(38.94% 0.162 315.3)
XYZ	xyz(9.4127, 4.9999, 20.2039)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B7E #357E1B

analogous

#321B7E #641B7E #7E1B67

triadic

#641B7E #7E641B #1B7E64

tetradic

#641B7E #7E321B #357E1B #1B677E

square

#641B7E #7E321B #357E1B #1B677E

split-complementary

#641B7E #677E1B #1B7E32

monochromatic

#140519 #3C104C #641B7E #8C26B0 #AE3ED6

Accessibility & contrast

On white

10.50

#641B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#641B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B7E

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B7E	#FFFFFF	#000000	##FFFFFF
##641B7E	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B81

Deuteranopia (green-blind)

#17417C

Tritanopia (blue-blind)

#62314C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #641b7e;
/* rgb */ color: rgb(100, 27, 126);
/* oklch */ color: oklch(38.9% 0.162 315.3);

Tailwind

colors: {
  custom: {
    50: '#9460a4',
    500: '#641b7e',
    950: '#000000',
  },
}

SCSS

$custom: #641b7e;
$custom-light: #9460a4;
$custom-dark: #000000;

JSON

{
  "hex": "#641b7e",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 126
  },
  "hsl": {
    "h": 284.242,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.38943,
    "c": 0.16194,
    "h": 315.3
  },
  "luminance": 0.05
}

Semantic roles & 50–950 ramp

primary

#641B7E

secondary

#60B243

accent

#E8406C

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #641B7E

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

Preview Lab → · Contrast checker → · Palette generator →