#641B7A#641B7A

#641B7A is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.6% C 0.158 H 317.0°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#641B7A
RGB	rgb(100, 27, 122)
HSL	hsl(286, 64%, 29%)
HSV	hsv(286, 78%, 48%)
CMYK	cmyk(18%, 77.9%, 0%, 52.2%)
CIE-LAB	lab(26.44, 46.29, -38.33)
CIE-LCH	lch(26.44, 60.10, 320.37°)
OKLab	oklab(38.65% 0.1157 -0.1079)
OKLCH	oklch(38.65% 0.158 317)
XYZ	xyz(9.1598, 4.8987, 18.8716)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B7A #317A1B

analogous

#351B7A #641B7A #7A1B61

triadic

#641B7A #7A641B #1B7A64

tetradic

#641B7A #7A351B #317A1B #1B617A

square

#641B7A #7A351B #317A1B #1B617A

split-complementary

#641B7A #617A1B #1B7A35

monochromatic

#150619 #3B1048 #641B7A #8D26AC #B13CD4

Accessibility & contrast

On white

10.61

#641B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#641B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B7A

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B7A	#FFFFFF	#000000	##FFFFFF
##641B7A	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7D

Deuteranopia (green-blind)

#1C4178

Tritanopia (blue-blind)

#632F49

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #641b7a;
/* rgb */ color: rgb(100, 27, 122);
/* oklch */ color: oklch(38.6% 0.158 317.0);

Tailwind

colors: {
  custom: {
    50: '#9460a1',
    500: '#641b7a',
    950: '#000000',
  },
}

SCSS

$custom: #641b7a;
$custom-light: #9460a1;
$custom-dark: #000000;

JSON

{
  "hex": "#641b7a",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 122
  },
  "hsl": {
    "h": 286.105,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.38646,
    "c": 0.15816,
    "h": 317
  },
  "luminance": 0.04898
}

Semantic roles & 50–950 ramp

primary

#641B7A

secondary

#5CAE43

accent

#E74167

background

#F9F5FA

surface

#F2EAF3

border

#CCC6CD

text

#0D050F

muted

#7E797F

Preview Lab

Preview with #641B7A

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

Preview Lab → · Contrast checker → · Palette generator →