#641B63#641B63

#641B63 is a dark, vivid purple. Relative luminance 0.044; OKLCH L 37.1% C 0.137 H 328.5°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#641B63
RGB	rgb(100, 27, 99)
HSL	hsl(301, 57%, 25%)
HSV	hsv(301, 73%, 39%)
CMYK	cmyk(0%, 73%, 1%, 60.8%)
CIE-LAB	lab(24.94, 41.76, -25.93)
CIE-LCH	lch(24.94, 49.15, 328.16°)
OKLab	oklab(37.09% 0.1169 -0.0717)
OKLCH	oklch(37.09% 0.137 328.5)
XYZ	xyz(7.8995, 4.3946, 12.2341)
Luminance	0.0439 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B63 #1B641C

analogous

#411B64 #641B63 #641B3F

triadic

#641B63 #63641B #1B6364

tetradic

#641B63 #64411B #1B641C #1B3F64

square

#641B63 #64411B #1B641C #1B3F64

split-complementary

#641B63 #3F641B #1B6441

monochromatic

#180718 #340E33 #641B63 #942893 #C435C2

Accessibility & contrast

On white

11.18

#641B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#641B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B63

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B63	#FFFFFF	#000000	##FFFFFF
##641B63	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#103565

Deuteranopia (green-blind)

#2E3F61

Tritanopia (blue-blind)

#67253D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #641b63;
/* rgb */ color: rgb(100, 27, 99);
/* oklch */ color: oklch(37.1% 0.137 328.5);

Tailwind

colors: {
  custom: {
    50: '#935f90',
    500: '#641b63',
    950: '#000000',
  },
}

SCSS

$custom: #641b63;
$custom-light: #935f90;
$custom-dark: #000000;

JSON

{
  "hex": "#641b63",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 99
  },
  "hsl": {
    "h": 300.822,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.37085,
    "c": 0.13716,
    "h": 328.5
  },
  "luminance": 0.04394
}

Semantic roles & 50–950 ramp

primary

#641B63

secondary

#419943

accent

#E14947

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050C

muted

#7E797D

Preview Lab

Preview with #641B63

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

Preview Lab → · Contrast checker → · Palette generator →