#641A8E#641A8E

#641A8E is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.1% C 0.178 H 309.2°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#641A8E
RGB	rgb(100, 26, 142)
HSL	hsl(278, 69%, 33%)
HSV	hsv(278, 82%, 56%)
CMYK	cmyk(29.6%, 81.7%, 0%, 44.3%)
CIE-LAB	lab(27.85, 50.96, -48.60)
CIE-LCH	lch(27.85, 70.42, 316.36°)
OKLab	oklab(40.12% 0.1126 -0.138)
OKLCH	oklch(40.12% 0.178 309.2)
XYZ	xyz(10.5064, 5.4013, 26.0750)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641A8E #448E1A

analogous

#2A1A8E #641A8E #8E1A7E

triadic

#641A8E #8E641A #1A8E64

tetradic

#641A8E #8E2A1A #448E1A #1A7E8E

square

#641A8E #8E2A1A #448E1A #1A7E8E

split-complementary

#641A8E #7E8E1A #1A8E2A

monochromatic

#1B0727 #40115A #641A8E #8823C2 #A645DD

Accessibility & contrast

On white

10.10

#641A8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#641A8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641A8E

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641A8E	#FFFFFF	#000000	##FFFFFF
##641A8E	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#00438C

Tritanopia (blue-blind)

#5E3855

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #641a8e;
/* rgb */ color: rgb(100, 26, 142);
/* oklch */ color: oklch(40.1% 0.178 309.2);

Tailwind

colors: {
  custom: {
    50: '#9561b0',
    500: '#641a8e',
    950: '#000000',
  },
}

SCSS

$custom: #641a8e;
$custom-light: #9561b0;
$custom-dark: #000000;

JSON

{
  "hex": "#641a8e",
  "rgb": {
    "r": 100,
    "g": 26,
    "b": 142
  },
  "hsl": {
    "h": 278.276,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.40116,
    "c": 0.17813,
    "h": 309.2
  },
  "luminance": 0.05401
}

Semantic roles & 50–950 ramp

primary

#641A8E

secondary

#71BE45

accent

#EC3C7C

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641A8E

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

Preview Lab → · Contrast checker → · Palette generator →