#641B9A#641B9A

#641B9A is a dark, vivid violet. Relative luminance 0.058; OKLCH L 41.2% C 0.189 H 305.1°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#641B9A
RGB	rgb(100, 27, 154)
HSL	hsl(274, 70%, 35%)
HSV	hsv(274, 82%, 60%)
CMYK	cmyk(35.1%, 82.5%, 0%, 39.6%)
CIE-LAB	lab(28.97, 53.31, -54.16)
CIE-LCH	lch(28.97, 75.99, 314.55°)
OKLab	oklab(41.21% 0.1085 -0.1544)
OKLCH	oklch(41.21% 0.189 305.1)
XYZ	xyz(11.4789, 5.8264, 31.0855)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B9A #519A1B

analogous

#241B9A #641B9A #9A1B90

triadic

#641B9A #9A641B #1B9A64

tetradic

#641B9A #9A241B #519A1B #1B909A

square

#641B9A #9A241B #519A1B #1B909A

split-complementary

#641B9A #909A1B #1B9A24

monochromatic

#200932 #421266 #641B9A #8624CE #A34FE0

Accessibility & contrast

On white

9.70

#641B9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#641B9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B9A

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B9A	#FFFFFF	#000000	##FFFFFF
##641B9A	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429D

Deuteranopia (green-blind)

#004498

Tritanopia (blue-blind)

#5A3E5C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #641b9a;
/* rgb */ color: rgb(100, 27, 154);
/* oklch */ color: oklch(41.2% 0.189 305.1);

Tailwind

colors: {
  custom: {
    50: '#9662b9',
    500: '#641b9a',
    950: '#000000',
  },
}

SCSS

$custom: #641b9a;
$custom-light: #9662b9;
$custom-dark: #000000;

JSON

{
  "hex": "#641b9a",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 154
  },
  "hsl": {
    "h": 274.488,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.41209,
    "c": 0.18871,
    "h": 305.1
  },
  "luminance": 0.05826
}

Semantic roles & 50–950 ramp

primary

#641B9A

secondary

#80C34E

accent

#ED3B87

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #641B9A

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

Preview Lab → · Contrast checker → · Palette generator →