#641A8F#641A8F

#641A8F is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.2% C 0.179 H 308.9°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#641A8F
RGB	rgb(100, 26, 143)
HSL	hsl(278, 69%, 33%)
HSV	hsv(278, 82%, 56%)
CMYK	cmyk(30.1%, 81.8%, 0%, 43.9%)
CIE-LAB	lab(27.93, 51.18, -49.08)
CIE-LCH	lch(27.93, 70.91, 316.20°)
OKLab	oklab(40.2% 0.1123 -0.1395)
OKLCH	oklch(40.2% 0.179 308.9)
XYZ	xyz(10.5818, 5.4315, 26.4722)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641A8F #458F1A

analogous

#2A1A8F #641A8F #8F1A7F

triadic

#641A8F #8F641A #1A8F64

tetradic

#641A8F #8F2A1A #458F1A #1A7F8F

square

#641A8F #8F2A1A #458F1A #1A7F8F

split-complementary

#641A8F #7F8F1A #1A8F2A

monochromatic

#1C0727 #40115B #641A8F #8823C3 #A646DD

Accessibility & contrast

On white

10.07

#641A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#641A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641A8F

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641A8F	#FFFFFF	#000000	##FFFFFF
##641A8F	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F92

Deuteranopia (green-blind)

#00438D

Tritanopia (blue-blind)

#5D3855

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #641a8f;
/* rgb */ color: rgb(100, 26, 143);
/* oklch */ color: oklch(40.2% 0.179 308.9);

Tailwind

colors: {
  custom: {
    50: '#9561b1',
    500: '#641a8f',
    950: '#000000',
  },
}

SCSS

$custom: #641a8f;
$custom-light: #9561b1;
$custom-dark: #000000;

JSON

{
  "hex": "#641a8f",
  "rgb": {
    "r": 100,
    "g": 26,
    "b": 143
  },
  "hsl": {
    "h": 277.949,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40198,
    "c": 0.17909,
    "h": 308.9
  },
  "luminance": 0.05431
}

Semantic roles & 50–950 ramp

primary

#641A8F

secondary

#72BF46

accent

#EC3C7D

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641A8F

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

Preview Lab → · Contrast checker → · Palette generator →