#641799#641799

#641799 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.8% C 0.191 H 305.7°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#641799
RGB	rgb(100, 23, 153)
HSL	hsl(276, 74%, 35%)
HSV	hsv(276, 85%, 60%)
CMYK	cmyk(34.6%, 85%, 0%, 40%)
CIE-LAB	lab(28.44, 54.39, -54.41)
CIE-LCH	lch(28.44, 76.94, 314.99°)
OKLab	oklab(40.81% 0.1117 -0.1551)
OKLCH	oklch(40.81% 0.191 305.7)
XYZ	xyz(11.3104, 5.6221, 30.6201)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.93

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641799 #4C9917

analogous

#231799 #641799 #99178D

triadic

#641799 #996417 #179964

tetradic

#641799 #992317 #4C9917 #178D99

square

#641799 #992317 #4C9917 #178D99

split-complementary

#641799 #8D9917 #179923

monochromatic

#1E072F #410F64 #641799 #871FCE #A447E3

Accessibility & contrast

On white

9.89

#641799 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#641799 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641799

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641799	#FFFFFF	#000000	##FFFFFF
##641799	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419C

Deuteranopia (green-blind)

#004397

Tritanopia (blue-blind)

#5A3C5A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641799;
/* rgb */ color: rgb(100, 23, 153);
/* oklch */ color: oklch(40.8% 0.191 305.7);

Tailwind

colors: {
  custom: {
    50: '#9660b8',
    500: '#641799',
    950: '#000000',
  },
}

SCSS

$custom: #641799;
$custom-light: #9660b8;
$custom-dark: #000000;

JSON

{
  "hex": "#641799",
  "rgb": {
    "r": 100,
    "g": 23,
    "b": 153
  },
  "hsl": {
    "h": 275.538,
    "s": 73.864,
    "l": 34.51
  },
  "oklch": {
    "l": 0.40813,
    "c": 0.19112,
    "h": 305.7
  },
  "luminance": 0.05622
}

Semantic roles & 50–950 ramp

primary

#641799

secondary

#7AC547

accent

#F13783

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641799

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

Preview Lab → · Contrast checker → · Palette generator →