#641B75#641B75

#641B75 is a dark, vivid purple. Relative luminance 0.048; OKLCH L 38.3% C 0.153 H 319.2°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#641B75
RGB	rgb(100, 27, 117)
HSL	hsl(289, 63%, 28%)
HSV	hsv(289, 77%, 46%)
CMYK	cmyk(14.5%, 76.9%, 0%, 54.1%)
CIE-LAB	lab(26.09, 45.26, -35.71)
CIE-LCH	lch(26.09, 57.65, 321.72°)
OKLab	oklab(38.28% 0.1163 -0.1002)
OKLCH	oklch(38.28% 0.153 319.2)
XYZ	xyz(8.8579, 4.7780, 17.2818)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B75 #2C751B

analogous

#371B75 #641B75 #751B59

triadic

#641B75 #75641B #1B7564

tetradic

#641B75 #75371B #2C751B #1B5975

square

#641B75 #75371B #2C751B #1B5975

split-complementary

#641B75 #59751B #1B7537

monochromatic

#150619 #391043 #641B75 #8E26A7 #B539D1

Accessibility & contrast

On white

10.74

#641B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#641B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B75

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B75	#FFFFFF	#000000	##FFFFFF
##641B75	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003977

Deuteranopia (green-blind)

#224073

Tritanopia (blue-blind)

#642D47

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #641b75;
/* rgb */ color: rgb(100, 27, 117);
/* oklch */ color: oklch(38.3% 0.153 319.2);

Tailwind

colors: {
  custom: {
    50: '#93609d',
    500: '#641b75',
    950: '#000000',
  },
}

SCSS

$custom: #641b75;
$custom-light: #93609d;
$custom-dark: #000000;

JSON

{
  "hex": "#641b75",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 117
  },
  "hsl": {
    "h": 288.667,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.38284,
    "c": 0.15349,
    "h": 319.2
  },
  "luminance": 0.04778
}

Semantic roles & 50–950 ramp

primary

#641B75

secondary

#56A942

accent

#E64261

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #641B75

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

Preview Lab → · Contrast checker → · Palette generator →