#641B58#641B58

#641B58 is a dark, vivid purple. Relative luminance 0.042; OKLCH L 36.4% C 0.128 H 335.2°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#641B58
RGB	rgb(100, 27, 88)
HSL	hsl(310, 57%, 25%)
HSV	hsv(310, 73%, 39%)
CMYK	cmyk(0%, 73%, 12%, 60.8%)
CIE-LAB	lab(24.32, 39.81, -19.66)
CIE-LCH	lch(24.32, 44.40, 333.72°)
OKLab	oklab(36.44% 0.1161 -0.0536)
OKLCH	oklch(36.44% 0.128 335.2)
XYZ	xyz(7.4090, 4.1984, 9.6508)
Luminance	0.0420 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B58 #1B6427

analogous

#4C1B64 #641B58 #641B34

triadic

#641B58 #58641B #1B5864

tetradic

#641B58 #644C1B #1B6427 #1B3464

square

#641B58 #644C1B #1B6427 #1B3464

split-complementary

#641B58 #34641B #1B644C

monochromatic

#180715 #340E2E #641B58 #942882 #C435AD

Accessibility & contrast

On white

11.42

#641B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#641B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B58

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B58	#FFFFFF	#000000	##FFFFFF
##641B58	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B335A

Deuteranopia (green-blind)

#343E56

Tritanopia (blue-blind)

#692037

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #641b58;
/* rgb */ color: rgb(100, 27, 88);
/* oklch */ color: oklch(36.4% 0.128 335.2);

Tailwind

colors: {
  custom: {
    50: '#935f87',
    500: '#641b58',
    950: '#000000',
  },
}

SCSS

$custom: #641b58;
$custom-light: #935f87;
$custom-dark: #000000;

JSON

{
  "hex": "#641b58",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 88
  },
  "hsl": {
    "h": 309.863,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.36438,
    "c": 0.12787,
    "h": 335.2
  },
  "luminance": 0.04198
}

Semantic roles & 50–950 ramp

primary

#641B58

secondary

#419950

accent

#E16047

background

#F9F5F8

surface

#F2E9EF

border

#CCC5CA

text

#0D050B

muted

#7E797C

Preview Lab

Preview with #641B58

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

Preview Lab → · Contrast checker → · Palette generator →