#641F90#641F90

#641F90 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.7% C 0.175 H 308.0°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#641F90
RGB	rgb(100, 31, 144)
HSL	hsl(277, 65%, 34%)
HSV	hsv(277, 78%, 56%)
CMYK	cmyk(30.6%, 78.5%, 0%, 43.5%)
CIE-LAB	lab(28.65, 49.56, -48.53)
CIE-LCH	lch(28.65, 69.36, 315.60°)
OKLab	oklab(40.73% 0.1078 -0.1379)
OKLCH	oklch(40.73% 0.175 308)
XYZ	xyz(10.7785, 5.7031, 26.9131)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F90 #4B901F

analogous

#2C1F90 #641F90 #901F84

triadic

#641F90 #90641F #1F9064

tetradic

#641F90 #902C1F #4B901F #1F8490

square

#641F90 #902C1F #4B901F #1F8490

split-complementary

#641F90 #84901F #1F902C

monochromatic

#1E092B #41145E #641F90 #872AC2 #A450D9

Accessibility & contrast

On white

9.81

#641F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#641F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F90

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F90	#FFFFFF	#000000	##FFFFFF
##641F90	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004193

Deuteranopia (green-blind)

#00448E

Tritanopia (blue-blind)

#5D3B57

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #641f90;
/* rgb */ color: rgb(100, 31, 144);
/* oklch */ color: oklch(40.7% 0.175 308.0);

Tailwind

colors: {
  custom: {
    50: '#9563b1',
    500: '#641f90',
    950: '#000000',
  },
}

SCSS

$custom: #641f90;
$custom-light: #9563b1;
$custom-dark: #000000;

JSON

{
  "hex": "#641f90",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 144
  },
  "hsl": {
    "h": 276.637,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40728,
    "c": 0.17504,
    "h": 308
  },
  "luminance": 0.05703
}

Semantic roles & 50–950 ramp

primary

#641F90

secondary

#79BC4E

accent

#E84081

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #641F90

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

Preview Lab → · Contrast checker → · Palette generator →