#641B9F#641B9F

#641B9F is a dark, vivid violet. Relative luminance 0.060; OKLCH L 41.6% C 0.194 H 303.6°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#641B9F
RGB	rgb(100, 27, 159)
HSL	hsl(273, 71%, 36%)
HSV	hsv(273, 83%, 62%)
CMYK	cmyk(37.1%, 83%, 0%, 37.6%)
CIE-LAB	lab(29.40, 54.46, -56.50)
CIE-LCH	lch(29.40, 78.47, 313.95°)
OKLab	oklab(41.64% 0.107 -0.1613)
OKLCH	oklch(41.64% 0.194 303.6)
XYZ	xyz(11.9040, 5.9964, 33.3245)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B9F #569F1B

analogous

#221B9F #641B9F #9F1B98

triadic

#641B9F #9F641B #1B9F64

tetradic

#641B9F #9F221B #569F1B #1B989F

square

#641B9F #9F221B #569F1B #1B989F

split-complementary

#641B9F #989F1B #1B9F22

monochromatic

#220936 #43126B #641B9F #8524D3 #A253E2

Accessibility & contrast

On white

9.55

#641B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#641B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B9F

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B9F	#FFFFFF	#000000	##FFFFFF
##641B9F	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A2

Deuteranopia (green-blind)

#00459D

Tritanopia (blue-blind)

#58405F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #641b9f;
/* rgb */ color: rgb(100, 27, 159);
/* oklch */ color: oklch(41.6% 0.194 303.6);

Tailwind

colors: {
  custom: {
    50: '#9662bc',
    500: '#641b9f',
    950: '#000000',
  },
}

SCSS

$custom: #641b9f;
$custom-light: #9662bc;
$custom-dark: #000000;

JSON

{
  "hex": "#641b9f",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 159
  },
  "hsl": {
    "h": 273.182,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.41644,
    "c": 0.19353,
    "h": 303.6
  },
  "luminance": 0.05996
}

Semantic roles & 50–950 ramp

primary

#641B9F

secondary

#85C551

accent

#EE3A8A

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #641B9F

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

Preview Lab → · Contrast checker → · Palette generator →