#641A77#641A77

#641A77 is a dark, vivid purple. Relative luminance 0.048; OKLCH L 38.3% C 0.156 H 318.4°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#641A77
RGB	rgb(100, 26, 119)
HSL	hsl(288, 64%, 28%)
HSV	hsv(288, 78%, 47%)
CMYK	cmyk(16%, 78.2%, 0%, 53.3%)
CIE-LAB	lab(26.10, 46.05, -36.98)
CIE-LCH	lch(26.10, 59.05, 321.23°)
OKLab	oklab(38.33% 0.117 -0.1039)
OKLCH	oklch(38.33% 0.156 318.4)
XYZ	xyz(8.9542, 4.7804, 17.9002)
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

#641A77 #2D771A

analogous

#351A77 #641A77 #771A5B

triadic

#641A77 #77641A #1A7764

tetradic

#641A77 #77351A #2D771A #1A5B77

square

#641A77 #77351A #2D771A #1A5B77

split-complementary

#641A77 #5B771A #1A7735

monochromatic

#150519 #3A0F45 #641A77 #8E25A9 #B438D3

Accessibility & contrast

On white

10.74

#641A77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#641A77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641A77

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641A77	#FFFFFF	#000000	##FFFFFF
##641A77	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)

#00397A

Deuteranopia (green-blind)

#1F4075

Tritanopia (blue-blind)

#642E47

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #641a77;
/* rgb */ color: rgb(100, 26, 119);
/* oklch */ color: oklch(38.3% 0.156 318.4);

Tailwind

colors: {
  custom: {
    50: '#945f9f',
    500: '#641a77',
    950: '#000000',
  },
}

SCSS

$custom: #641a77;
$custom-light: #945f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#641a77",
  "rgb": {
    "r": 100,
    "g": 26,
    "b": 119
  },
  "hsl": {
    "h": 287.742,
    "s": 64.138,
    "l": 28.431
  },
  "oklch": {
    "l": 0.38334,
    "c": 0.15649,
    "h": 318.4
  },
  "luminance": 0.0478
}

Semantic roles & 50–950 ramp

primary

#641A77

secondary

#57AC41

accent

#E74163

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #641A77

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

Preview Lab → · Contrast checker → · Palette generator →