#641A81#641A81

#641A81 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.1% C 0.166 H 314.1°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#641A81
RGB	rgb(100, 26, 129)
HSL	hsl(283, 66%, 30%)
HSV	hsv(283, 80%, 51%)
CMYK	cmyk(22.5%, 79.8%, 0%, 49.4%)
CIE-LAB	lab(26.83, 48.13, -42.13)
CIE-LCH	lch(26.83, 63.97, 318.80°)
OKLab	oklab(39.08% 0.1155 -0.119)
OKLCH	oklch(39.08% 0.166 314.1)
XYZ	xyz(9.5867, 5.0334, 21.2312)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641A81 #37811A

analogous

#301A81 #641A81 #811A6A

triadic

#641A81 #81641A #1A8164

tetradic

#641A81 #81301A #37811A #1A6A81

square

#641A81 #81301A #37811A #1A6A81

split-complementary

#641A81 #6A811A #1A8130

monochromatic

#15051B #3D104E #641A81 #8B24B4 #AC3DD8

Accessibility & contrast

On white

10.47

#641A81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#641A81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641A81

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641A81	#FFFFFF	#000000	##FFFFFF
##641A81	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C84

Deuteranopia (green-blind)

#11417F

Tritanopia (blue-blind)

#61324D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #641a81;
/* rgb */ color: rgb(100, 26, 129);
/* oklch */ color: oklch(39.1% 0.166 314.1);

Tailwind

colors: {
  custom: {
    50: '#9460a6',
    500: '#641a81',
    950: '#000000',
  },
}

SCSS

$custom: #641a81;
$custom-light: #9460a6;
$custom-dark: #000000;

JSON

{
  "hex": "#641a81",
  "rgb": {
    "r": 100,
    "g": 26,
    "b": 129
  },
  "hsl": {
    "h": 283.107,
    "s": 66.452,
    "l": 30.392
  },
  "oklch": {
    "l": 0.39081,
    "c": 0.16584,
    "h": 314.1
  },
  "luminance": 0.05033
}

Semantic roles & 50–950 ramp

primary

#641A81

secondary

#62B542

accent

#E93E6F

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #641A81

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

Preview Lab → · Contrast checker → · Palette generator →