#491B8B#491B8B

#491B8B is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.4% C 0.169 H 295.1°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#491B8B
RGB	rgb(73, 27, 139)
HSL	hsl(265, 67%, 33%)
HSV	hsv(265, 81%, 55%)
CMYK	cmyk(47.5%, 80.6%, 0%, 45.5%)
CIE-LAB	lab(23.88, 45.36, -53.37)
CIE-LCH	lch(23.88, 70.04, 310.36°)
OKLab	oklab(36.45% 0.0718 -0.153)
OKLCH	oklch(36.45% 0.169 295.1)
XYZ	xyz(7.7985, 4.0642, 24.7947)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B8B #5D8B1B

analogous

#1B258B #491B8B #811B8B

triadic

#491B8B #8B491B #1B8B49

tetradic

#491B8B #8B1B25 #5D8B1B #1B8B81

square

#491B8B #8B1B25 #5D8B1B #1B8B81

split-complementary

#491B8B #8B811B #258B1B

monochromatic

#130725 #2E1158 #491B8B #6425BE #8345DB

Accessibility & contrast

On white

11.58

#491B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#491B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B8B

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B8B	#FFFFFF	#000000	##FFFFFF
##491B8B	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#003789

Tritanopia (blue-blind)

#363B53

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #491b8b;
/* rgb */ color: rgb(73, 27, 139);
/* oklch */ color: oklch(36.4% 0.169 295.1);

Tailwind

colors: {
  custom: {
    50: '#835eae',
    500: '#491b8b',
    950: '#000000',
  },
}

SCSS

$custom: #491b8b;
$custom-light: #835eae;
$custom-dark: #000000;

JSON

{
  "hex": "#491b8b",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 139
  },
  "hsl": {
    "h": 264.643,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.3645,
    "c": 0.16904,
    "h": 295.1
  },
  "luminance": 0.04064
}

Semantic roles & 50–950 ramp

primary

#491B8B

secondary

#8CBC45

accent

#EA3DA3

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #491B8B

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

Preview Lab → · Contrast checker → · Palette generator →