#641899#641899

#641899 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.9% C 0.190 H 305.7°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#641899
RGB	rgb(100, 24, 153)
HSL	hsl(275, 73%, 35%)
HSV	hsv(275, 84%, 60%)
CMYK	cmyk(34.6%, 84.3%, 0%, 40%)
CIE-LAB	lab(28.54, 54.08, -54.24)
CIE-LCH	lch(28.54, 76.59, 314.91°)
OKLab	oklab(40.89% 0.111 -0.1546)
OKLCH	oklch(40.89% 0.19 305.7)
XYZ	xyz(11.3306, 5.6626, 30.6269)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641899 #4D9918

analogous

#241899 #641899 #99188D

triadic

#641899 #996418 #189964

tetradic

#641899 #992418 #4D9918 #188D99

square

#641899 #992418 #4D9918 #188D99

split-complementary

#641899 #8D9918 #189924

monochromatic

#1F072F #411064 #641899 #8720CE #A349E2

Accessibility & contrast

On white

9.85

#641899 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#641899 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641899

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641899	#FFFFFF	#000000	##FFFFFF
##641899	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)

#00419C

Deuteranopia (green-blind)

#004397

Tritanopia (blue-blind)

#5A3C5B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641899;
/* rgb */ color: rgb(100, 24, 153);
/* oklch */ color: oklch(40.9% 0.190 305.7);

Tailwind

colors: {
  custom: {
    50: '#9661b8',
    500: '#641899',
    950: '#000000',
  },
}

SCSS

$custom: #641899;
$custom-light: #9661b8;
$custom-dark: #000000;

JSON

{
  "hex": "#641899",
  "rgb": {
    "r": 100,
    "g": 24,
    "b": 153
  },
  "hsl": {
    "h": 275.349,
    "s": 72.881,
    "l": 34.706
  },
  "oklch": {
    "l": 0.40887,
    "c": 0.19032,
    "h": 305.7
  },
  "luminance": 0.05663
}

Semantic roles & 50–950 ramp

primary

#641899

secondary

#7BC449

accent

#F03884

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641899

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

Preview Lab → · Contrast checker → · Palette generator →