#641B93#641B93

#641B93 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.6% C 0.182 H 307.4°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#641B93
RGB	rgb(100, 27, 147)
HSL	hsl(277, 69%, 34%)
HSV	hsv(277, 82%, 58%)
CMYK	cmyk(32%, 81.6%, 0%, 42.4%)
CIE-LAB	lab(28.38, 51.72, -50.82)
CIE-LCH	lch(28.38, 72.52, 315.50°)
OKLab	oklab(40.62% 0.1105 -0.1446)
OKLCH	oklch(40.62% 0.182 307.4)
XYZ	xyz(10.9128, 5.5999, 28.1041)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B93 #4A931B

analogous

#281B93 #641B93 #931B86

triadic

#641B93 #93641B #1B9364

tetradic

#641B93 #93281B #4A931B #1B8693

square

#641B93 #93281B #4A931B #1B8693

split-complementary

#641B93 #86931B #1B9328

monochromatic

#1E082C #41125F #641B93 #8724C7 #A44BDE

Accessibility & contrast

On white

9.91

#641B93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#641B93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B93

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B93	#FFFFFF	#000000	##FFFFFF
##641B93	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004196

Deuteranopia (green-blind)

#004391

Tritanopia (blue-blind)

#5C3B58

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641b93;
/* rgb */ color: rgb(100, 27, 147);
/* oklch */ color: oklch(40.6% 0.182 307.4);

Tailwind

colors: {
  custom: {
    50: '#9561b4',
    500: '#641b93',
    950: '#000000',
  },
}

SCSS

$custom: #641b93;
$custom-light: #9561b4;
$custom-dark: #000000;

JSON

{
  "hex": "#641b93",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 147
  },
  "hsl": {
    "h": 276.5,
    "s": 68.966,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40615,
    "c": 0.18197,
    "h": 307.4
  },
  "luminance": 0.056
}

Semantic roles & 50–950 ramp

primary

#641B93

secondary

#78C04A

accent

#EC3C81

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641B93

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

Preview Lab → · Contrast checker → · Palette generator →