#641D90#641D90

#641D90 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.5% C 0.177 H 308.2°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#641D90
RGB	rgb(100, 29, 144)
HSL	hsl(277, 66%, 34%)
HSV	hsv(277, 80%, 56%)
CMYK	cmyk(30.6%, 79.9%, 0%, 43.5%)
CIE-LAB	lab(28.38, 50.32, -48.96)
CIE-LCH	lch(28.38, 70.21, 315.78°)
OKLab	oklab(40.54% 0.1096 -0.1391)
OKLCH	oklch(40.54% 0.177 308.2)
XYZ	xyz(10.7279, 5.6018, 26.8963)
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

#641D90 #49901D

analogous

#2A1D90 #641D90 #901D83

triadic

#641D90 #90641D #1D9064

tetradic

#641D90 #902A1D #49901D #1D8390

square

#641D90 #902A1D #49901D #1D8390

split-complementary

#641D90 #83901D #1D902A

monochromatic

#1D082A #41135D #641D90 #8727C3 #A44CDB

Accessibility & contrast

On white

9.90

#641D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#641D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D90

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D90	#FFFFFF	#000000	##FFFFFF
##641D90	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004093

Deuteranopia (green-blind)

#00448E

Tritanopia (blue-blind)

#5D3A56

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641d90;
/* rgb */ color: rgb(100, 29, 144);
/* oklch */ color: oklch(40.5% 0.177 308.2);

Tailwind

colors: {
  custom: {
    50: '#9562b1',
    500: '#641d90',
    950: '#000000',
  },
}

SCSS

$custom: #641d90;
$custom-light: #9562b1;
$custom-dark: #000000;

JSON

{
  "hex": "#641d90",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 144
  },
  "hsl": {
    "h": 277.043,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40542,
    "c": 0.17712,
    "h": 308.2
  },
  "luminance": 0.05602
}

Semantic roles & 50–950 ramp

primary

#641D90

secondary

#77BD4B

accent

#E93E80

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #641D90

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

Preview Lab → · Contrast checker → · Palette generator →