#641B70#641B70

#641B70 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 37.9% C 0.149 H 321.6°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#641B70
RGB	rgb(100, 27, 112)
HSL	hsl(292, 61%, 27%)
HSV	hsv(292, 76%, 44%)
CMYK	cmyk(10.7%, 75.9%, 0%, 56.1%)
CIE-LAB	lab(25.75, 44.25, -33.05)
CIE-LCH	lch(25.75, 55.23, 323.24°)
OKLab	oklab(37.94% 0.1167 -0.0924)
OKLCH	oklch(37.94% 0.149 321.6)
XYZ	xyz(8.5718, 4.6635, 15.7747)
Luminance	0.0466 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B70 #27701B

analogous

#391B70 #641B70 #701B52

triadic

#641B70 #70641B #1B7064

tetradic

#641B70 #70391B #27701B #1B5270

square

#641B70 #70391B #27701B #1B5270

split-complementary

#641B70 #52701B #1B7039

monochromatic

#160619 #380F3F #641B70 #9027A1 #B937CF

Accessibility & contrast

On white

10.87

#641B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#641B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B70

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B70	#FFFFFF	#000000	##FFFFFF
##641B70	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003872

Deuteranopia (green-blind)

#26406E

Tritanopia (blue-blind)

#652B44

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #641b70;
/* rgb */ color: rgb(100, 27, 112);
/* oklch */ color: oklch(37.9% 0.149 321.6);

Tailwind

colors: {
  custom: {
    50: '#936099',
    500: '#641b70',
    950: '#000000',
  },
}

SCSS

$custom: #641b70;
$custom-light: #936099;
$custom-dark: #000000;

JSON

{
  "hex": "#641b70",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 112
  },
  "hsl": {
    "h": 291.529,
    "s": 61.151,
    "l": 27.255
  },
  "oklch": {
    "l": 0.37935,
    "c": 0.14885,
    "h": 321.6
  },
  "luminance": 0.04663
}

Semantic roles & 50–950 ramp

primary

#641B70

secondary

#50A542

accent

#E4445A

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #641B70

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

Preview Lab → · Contrast checker → · Palette generator →