#641C77#641C77

#641C77 is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.5% C 0.154 H 318.2°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#641C77
RGB	rgb(100, 28, 119)
HSL	hsl(287, 62%, 29%)
HSV	hsv(287, 76%, 47%)
CMYK	cmyk(16%, 76.5%, 0%, 53.3%)
CIE-LAB	lab(26.37, 45.28, -36.55)
CIE-LCH	lch(26.37, 58.19, 321.09°)
OKLab	oklab(38.52% 0.115 -0.1027)
OKLCH	oklch(38.52% 0.154 318.2)
XYZ	xyz(9.0001, 4.8722, 17.9155)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C77 #2F771C

analogous

#371C77 #641C77 #771C5D

triadic

#641C77 #77641C #1C7764

tetradic

#641C77 #77371C #2F771C #1C5D77

square

#641C77 #77371C #2F771C #1C5D77

split-complementary

#641C77 #5D771C #1C7737

monochromatic

#150619 #3A1045 #641C77 #8E28A9 #B23CD1

Accessibility & contrast

On white

10.64

#641C77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#641C77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C77

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C77	#FFFFFF	#000000	##FFFFFF
##641C77	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7A

Deuteranopia (green-blind)

#204175

Tritanopia (blue-blind)

#642F48

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #641c77;
/* rgb */ color: rgb(100, 28, 119);
/* oklch */ color: oklch(38.5% 0.154 318.2);

Tailwind

colors: {
  custom: {
    50: '#93609f',
    500: '#641c77',
    950: '#000000',
  },
}

SCSS

$custom: #641c77;
$custom-light: #93609f;
$custom-dark: #000000;

JSON

{
  "hex": "#641c77",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 119
  },
  "hsl": {
    "h": 287.473,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38524,
    "c": 0.15418,
    "h": 318.2
  },
  "luminance": 0.04872
}

Semantic roles & 50–950 ramp

primary

#641C77

secondary

#59AB44

accent

#E54365

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #641C77

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

Preview Lab → · Contrast checker → · Palette generator →