#641B71#641B71

#641B71 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.0% C 0.150 H 321.1°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#641B71
RGB	rgb(100, 27, 113)
HSL	hsl(291, 61%, 27%)
HSV	hsv(291, 76%, 44%)
CMYK	cmyk(11.5%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(25.82, 44.45, -33.59)
CIE-LCH	lch(25.82, 55.71, 322.92°)
OKLab	oklab(38% 0.1166 -0.094)
OKLCH	oklch(38% 0.15 321.1)
XYZ	xyz(8.6278, 4.6859, 16.0696)
Luminance	0.0469 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B71 #28711B

analogous

#391B71 #641B71 #711B53

triadic

#641B71 #71641B #1B7164

tetradic

#641B71 #71391B #28711B #1B5371

square

#641B71 #71391B #28711B #1B5371

split-complementary

#641B71 #53711B #1B7139

monochromatic

#160619 #380F40 #641B71 #9027A2 #B837CF

Accessibility & contrast

On white

10.84

#641B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#641B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B71

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B71	#FFFFFF	#000000	##FFFFFF
##641B71	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003873

Deuteranopia (green-blind)

#25406F

Tritanopia (blue-blind)

#652B44

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #641b71;
/* rgb */ color: rgb(100, 27, 113);
/* oklch */ color: oklch(38.0% 0.150 321.1);

Tailwind

colors: {
  custom: {
    50: '#93609a',
    500: '#641b71',
    950: '#000000',
  },
}

SCSS

$custom: #641b71;
$custom-light: #93609a;
$custom-dark: #000000;

JSON

{
  "hex": "#641b71",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 290.93,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.38004,
    "c": 0.14978,
    "h": 321.1
  },
  "luminance": 0.04685
}

Semantic roles & 50–950 ramp

primary

#641B71

secondary

#51A642

accent

#E5435C

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #641B71

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

Preview Lab → · Contrast checker → · Palette generator →