#641B85#641B85

#641B85 is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.5% C 0.169 H 312.5°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#641B85
RGB	rgb(100, 27, 133)
HSL	hsl(281, 66%, 31%)
HSV	hsv(281, 80%, 52%)
CMYK	cmyk(24.8%, 79.7%, 0%, 47.8%)
CIE-LAB	lab(27.26, 48.63, -43.95)
CIE-LCH	lch(27.26, 65.54, 317.90°)
OKLab	oklab(39.48% 0.1138 -0.1244)
OKLCH	oklch(39.48% 0.169 312.5)
XYZ	xyz(9.8803, 5.1869, 22.6665)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.29

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B85 #3C851B

analogous

#2F1B85 #641B85 #851B71

triadic

#641B85 #85641B #1B8564

tetradic

#641B85 #852F1B #3C851B #1B7185

square

#641B85 #852F1B #3C851B #1B7185

split-complementary

#641B85 #71851B #1B852F

monochromatic

#18061F #3E1152 #641B85 #8A25B8 #AA42D9

Accessibility & contrast

On white

10.31

#641B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#641B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B85

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B85	#FFFFFF	#000000	##FFFFFF
##641B85	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D88

Deuteranopia (green-blind)

#094283

Tritanopia (blue-blind)

#603450

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #641b85;
/* rgb */ color: rgb(100, 27, 133);
/* oklch */ color: oklch(39.5% 0.169 312.5);

Tailwind

colors: {
  custom: {
    50: '#9461a9',
    500: '#641b85',
    950: '#000000',
  },
}

SCSS

$custom: #641b85;
$custom-light: #9461a9;
$custom-dark: #000000;

JSON

{
  "hex": "#641b85",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 133
  },
  "hsl": {
    "h": 281.321,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3948,
    "c": 0.16858,
    "h": 312.5
  },
  "luminance": 0.05187
}

Semantic roles & 50–950 ramp

primary

#641B85

secondary

#68B844

accent

#E93F74

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #641B85

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

Preview Lab → · Contrast checker → · Palette generator →