#641C8F#641C8F

#641C8F is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.4% C 0.177 H 308.7°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#641C8F
RGB	rgb(100, 28, 143)
HSL	hsl(278, 67%, 34%)
HSV	hsv(278, 80%, 56%)
CMYK	cmyk(30.1%, 80.4%, 0%, 43.9%)
CIE-LAB	lab(28.18, 50.47, -48.68)
CIE-LCH	lch(28.18, 70.12, 316.03°)
OKLab	oklab(40.37% 0.1107 -0.1383)
OKLCH	oklch(40.37% 0.177 308.7)
XYZ	xyz(10.6277, 5.5232, 26.4875)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C8F #478F1C

analogous

#2A1C8F #641C8F #8F1C80

triadic

#641C8F #8F641C #1C8F64

tetradic

#641C8F #8F2A1C #478F1C #1C808F

square

#641C8F #8F2A1C #478F1C #1C808F

split-complementary

#641C8F #808F1C #1C8F2A

monochromatic

#1C0829 #40125C #641C8F #8826C2 #A54ADC

Accessibility & contrast

On white

9.98

#641C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#641C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C8F

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C8F	#FFFFFF	#000000	##FFFFFF
##641C8F	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004092

Deuteranopia (green-blind)

#00438D

Tritanopia (blue-blind)

#5D3956

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #641c8f;
/* rgb */ color: rgb(100, 28, 143);
/* oklch */ color: oklch(40.4% 0.177 308.7);

Tailwind

colors: {
  custom: {
    50: '#9562b1',
    500: '#641c8f',
    950: '#000000',
  },
}

SCSS

$custom: #641c8f;
$custom-light: #9562b1;
$custom-dark: #000000;

JSON

{
  "hex": "#641c8f",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 143
  },
  "hsl": {
    "h": 277.565,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.4037,
    "c": 0.17715,
    "h": 308.7
  },
  "luminance": 0.05523
}

Semantic roles & 50–950 ramp

primary

#641C8F

secondary

#75BE49

accent

#EA3E7E

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641C8F

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

Preview Lab → · Contrast checker → · Palette generator →