#641B95#641B95

#641B95 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.8% C 0.184 H 306.7°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#641B95
RGB	rgb(100, 27, 149)
HSL	hsl(276, 69%, 35%)
HSV	hsv(276, 82%, 58%)
CMYK	cmyk(32.9%, 81.9%, 0%, 41.6%)
CIE-LAB	lab(28.55, 52.18, -51.78)
CIE-LCH	lch(28.55, 73.51, 315.22°)
OKLab	oklab(40.78% 0.11 -0.1474)
OKLCH	oklch(40.78% 0.184 306.7)
XYZ	xyz(11.0711, 5.6632, 28.9378)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B95 #4C951B

analogous

#271B95 #641B95 #951B89

triadic

#641B95 #95641B #1B9564

tetradic

#641B95 #95271B #4C951B #1B8995

square

#641B95 #95271B #4C951B #1B8995

split-complementary

#641B95 #89951B #1B9527

monochromatic

#1E082D #411261 #641B95 #8724C9 #A44CDF

Accessibility & contrast

On white

9.85

#641B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#641B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B95

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B95	#FFFFFF	#000000	##FFFFFF
##641B95	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004198

Deuteranopia (green-blind)

#004493

Tritanopia (blue-blind)

#5B3C59

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641b95;
/* rgb */ color: rgb(100, 27, 149);
/* oklch */ color: oklch(40.8% 0.184 306.7);

Tailwind

colors: {
  custom: {
    50: '#9561b5',
    500: '#641b95',
    950: '#000000',
  },
}

SCSS

$custom: #641b95;
$custom-light: #9561b5;
$custom-dark: #000000;

JSON

{
  "hex": "#641b95",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 149
  },
  "hsl": {
    "h": 275.902,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.40783,
    "c": 0.1839,
    "h": 306.7
  },
  "luminance": 0.05663
}

Semantic roles & 50–950 ramp

primary

#641B95

secondary

#7AC14B

accent

#EC3C83

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641B95

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

Preview Lab → · Contrast checker → · Palette generator →