#491B66#491B66

#491B66 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.2% C 0.128 H 309.2°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#491B66
RGB	rgb(73, 27, 102)
HSL	hsl(277, 58%, 25%)
HSV	hsv(277, 74%, 40%)
CMYK	cmyk(28.4%, 73.5%, 0%, 60%)
CIE-LAB	lab(20.67, 35.76, -34.97)
CIE-LCH	lch(20.67, 50.01, 315.64°)
OKLab	oklab(33.19% 0.0806 -0.099)
OKLCH	oklch(33.19% 0.128 309.2)
XYZ	xyz(5.5374, 3.1597, 12.8860)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B66 #38661B

analogous

#231B66 #491B66 #661B5D

triadic

#491B66 #66491B #1B6649

tetradic

#491B66 #66231B #38661B #1B5D66

square

#491B66 #66231B #38661B #1B5D66

split-complementary

#491B66 #5D661B #1B6623

monochromatic

#110618 #260E36 #491B66 #6C2896 #8E35C7

Accessibility & contrast

On white

12.87

#491B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#491B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B66

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B66	#FFFFFF	#000000	##FFFFFF
##491B66	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003068

Deuteranopia (green-blind)

#0C3264

Tritanopia (blue-blind)

#452B3E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #491b66;
/* rgb */ color: rgb(73, 27, 102);
/* oklch */ color: oklch(33.2% 0.128 309.2);

Tailwind

colors: {
  custom: {
    50: '#7f5c92',
    500: '#491b66',
    950: '#000000',
  },
}

SCSS

$custom: #491b66;
$custom-light: #7f5c92;
$custom-dark: #000000;

JSON

{
  "hex": "#491b66",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 102
  },
  "hsl": {
    "h": 276.8,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.33192,
    "c": 0.12765,
    "h": 309.2
  },
  "luminance": 0.0316
}

Semantic roles & 50–950 ramp

primary

#491B66

secondary

#649B41

accent

#E14682

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0A040D

muted

#7C797E

Preview Lab

Preview with #491B66

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

Preview Lab → · Contrast checker → · Palette generator →