#641778#641778

#641778 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.1% C 0.161 H 318.1°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#641778
RGB	rgb(100, 23, 120)
HSL	hsl(288, 68%, 28%)
HSV	hsv(288, 81%, 47%)
CMYK	cmyk(16.7%, 80.8%, 0%, 52.9%)
CIE-LAB	lab(25.80, 47.32, -38.10)
CIE-LCH	lch(25.80, 60.75, 321.16°)
OKLab	oklab(38.14% 0.1197 -0.1072)
OKLCH	oklch(38.14% 0.161 318.1)
XYZ	xyz(8.9516, 4.6786, 18.1972)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641778 #2B7817

analogous

#331778 #641778 #78175B

triadic

#641778 #786417 #177864

tetradic

#641778 #783317 #2B7817 #175B78

square

#641778 #783317 #2B7817 #175B78

split-complementary

#641778 #5B7817 #177833

monochromatic

#15051A #390D45 #641778 #8F21AB #B532D8

Accessibility & contrast

On white

10.85

#641778 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#641778 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641778

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641778	#FFFFFF	#000000	##FFFFFF
##641778	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387B

Deuteranopia (green-blind)

#1C3F76

Tritanopia (blue-blind)

#632C47

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #641778;
/* rgb */ color: rgb(100, 23, 120);
/* oklch */ color: oklch(38.1% 0.161 318.1);

Tailwind

colors: {
  custom: {
    50: '#945e9f',
    500: '#641778',
    950: '#000000',
  },
}

SCSS

$custom: #641778;
$custom-light: #945e9f;
$custom-dark: #000000;

JSON

{
  "hex": "#641778",
  "rgb": {
    "r": 100,
    "g": 23,
    "b": 120
  },
  "hsl": {
    "h": 287.629,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.38144,
    "c": 0.16064,
    "h": 318.1
  },
  "luminance": 0.04678
}

Semantic roles & 50–950 ramp

primary

#641778

secondary

#55AD3E

accent

#EB3D61

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050F

muted

#7E797E

Preview Lab

Preview with #641778

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

Preview Lab → · Contrast checker → · Palette generator →