#641B89#641B89

#641B89 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.8% C 0.172 H 310.9°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#641B89
RGB	rgb(100, 27, 137)
HSL	hsl(280, 67%, 32%)
HSV	hsv(280, 80%, 54%)
CMYK	cmyk(27%, 80.3%, 0%, 46.3%)
CIE-LAB	lab(27.57, 49.50, -45.94)
CIE-LCH	lch(27.57, 67.53, 317.14°)
OKLab	oklab(39.8% 0.113 -0.1302)
OKLCH	oklch(39.8% 0.172 310.9)
XYZ	xyz(10.1619, 5.2996, 24.1497)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B89 #40891B

analogous

#2D1B89 #641B89 #891B77

triadic

#641B89 #89641B #1B8964

tetradic

#641B89 #892D1B #40891B #1B7789

square

#641B89 #892D1B #40891B #1B7789

split-complementary

#641B89 #77891B #1B892D

monochromatic

#190723 #3F1156 #641B89 #8925BC #A844DA

Accessibility & contrast

On white

10.20

#641B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#641B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B89

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B89	#FFFFFF	#000000	##FFFFFF
##641B89	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8C

Deuteranopia (green-blind)

#004287

Tritanopia (blue-blind)

#5F3652

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #641b89;
/* rgb */ color: rgb(100, 27, 137);
/* oklch */ color: oklch(39.8% 0.172 310.9);

Tailwind

colors: {
  custom: {
    50: '#9561ac',
    500: '#641b89',
    950: '#000000',
  },
}

SCSS

$custom: #641b89;
$custom-light: #9561ac;
$custom-dark: #000000;

JSON

{
  "hex": "#641b89",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 137
  },
  "hsl": {
    "h": 279.818,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39797,
    "c": 0.1724,
    "h": 310.9
  },
  "luminance": 0.05299
}

Semantic roles & 50–950 ramp

primary

#641B89

secondary

#6CBC44

accent

#EA3E78

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #641B89

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

Preview Lab → · Contrast checker → · Palette generator →