#641B80#641B80

#641B80 is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.1% C 0.164 H 314.4°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#641B80
RGB	rgb(100, 27, 128)
HSL	hsl(283, 65%, 30%)
HSV	hsv(283, 79%, 50%)
CMYK	cmyk(21.9%, 78.9%, 0%, 49.8%)
CIE-LAB	lab(26.88, 47.55, -41.42)
CIE-LCH	lch(26.88, 63.06, 318.95°)
OKLab	oklab(39.1% 0.1147 -0.1169)
OKLCH	oklch(39.1% 0.164 314.4)
XYZ	xyz(9.5431, 5.0520, 20.8903)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B80 #37801B

analogous

#311B80 #641B80 #801B69

triadic

#641B80 #80641B #1B8064

tetradic

#641B80 #80311B #37801B #1B6980

square

#641B80 #80311B #37801B #1B6980

split-complementary

#641B80 #69801B #1B8031

monochromatic

#15061B #3D104D #641B80 #8B26B3 #AC3FD6

Accessibility & contrast

On white

10.45

#641B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#641B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B80

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B80	#FFFFFF	#000000	##FFFFFF
##641B80	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C83

Deuteranopia (green-blind)

#14417E

Tritanopia (blue-blind)

#61324D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #641b80;
/* rgb */ color: rgb(100, 27, 128);
/* oklch */ color: oklch(39.1% 0.164 314.4);

Tailwind

colors: {
  custom: {
    50: '#9460a5',
    500: '#641b80',
    950: '#000000',
  },
}

SCSS

$custom: #641b80;
$custom-light: #9460a5;
$custom-dark: #000000;

JSON

{
  "hex": "#641b80",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 128
  },
  "hsl": {
    "h": 283.366,
    "s": 65.161,
    "l": 30.392
  },
  "oklch": {
    "l": 0.39095,
    "c": 0.16382,
    "h": 314.4
  },
  "luminance": 0.05052
}

Semantic roles & 50–950 ramp

primary

#641B80

secondary

#62B443

accent

#E8406E

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #641B80

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

Preview Lab → · Contrast checker → · Palette generator →