#641B76#641B76

#641B76 is a dark, vivid purple. Relative luminance 0.048; OKLCH L 38.4% C 0.154 H 318.8°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#641B76
RGB	rgb(100, 27, 118)
HSL	hsl(288, 63%, 28%)
HSV	hsv(288, 77%, 46%)
CMYK	cmyk(15.3%, 77.1%, 0%, 53.7%)
CIE-LAB	lab(26.16, 45.46, -36.24)
CIE-LCH	lch(26.16, 58.14, 321.44°)
OKLab	oklab(38.36% 0.1161 -0.1018)
OKLCH	oklch(38.36% 0.154 318.8)
XYZ	xyz(8.9170, 4.8016, 17.5931)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B76 #2D761B

analogous

#361B76 #641B76 #761B5A

triadic

#641B76 #76641B #1B7664

tetradic

#641B76 #76361B #2D761B #1B5A76

square

#641B76 #76361B #2D761B #1B5A76

split-complementary

#641B76 #5A761B #1B7636

monochromatic

#150619 #3A1044 #641B76 #8E26A8 #B43AD2

Accessibility & contrast

On white

10.71

#641B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#641B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B76

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B76	#FFFFFF	#000000	##FFFFFF
##641B76	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003979

Deuteranopia (green-blind)

#214074

Tritanopia (blue-blind)

#642E47

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #641b76;
/* rgb */ color: rgb(100, 27, 118);
/* oklch */ color: oklch(38.4% 0.154 318.8);

Tailwind

colors: {
  custom: {
    50: '#93609e',
    500: '#641b76',
    950: '#000000',
  },
}

SCSS

$custom: #641b76;
$custom-light: #93609e;
$custom-dark: #000000;

JSON

{
  "hex": "#641b76",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 118
  },
  "hsl": {
    "h": 288.132,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.38356,
    "c": 0.15441,
    "h": 318.8
  },
  "luminance": 0.04801
}

Semantic roles & 50–950 ramp

primary

#641B76

secondary

#57AA42

accent

#E64262

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #641B76

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

Preview Lab → · Contrast checker → · Palette generator →