#491B8C#491B8C

#491B8C is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.170 H 294.8°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#491B8C
RGB	rgb(73, 27, 140)
HSL	hsl(264, 68%, 33%)
HSV	hsv(264, 81%, 55%)
CMYK	cmyk(47.9%, 80.7%, 0%, 45.1%)
CIE-LAB	lab(23.98, 45.63, -53.83)
CIE-LCH	lch(23.98, 70.57, 310.28°)
OKLab	oklab(36.55% 0.0715 -0.1544)
OKLCH	oklch(36.55% 0.17 294.8)
XYZ	xyz(7.8719, 4.0936, 25.1812)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B8C #5E8C1B

analogous

#1B258C #491B8C #821B8C

triadic

#491B8C #8C491B #1B8C49

tetradic

#491B8C #8C1B25 #5E8C1B #1B8C82

square

#491B8C #8C1B25 #5E8C1B #1B8C82

split-complementary

#491B8C #8C821B #258C1B

monochromatic

#130725 #2E1159 #491B8C #6425BF #8346DB

Accessibility & contrast

On white

11.55

#491B8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#491B8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B8C

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B8C	#FFFFFF	#000000	##FFFFFF
##491B8C	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8F

Deuteranopia (green-blind)

#00378A

Tritanopia (blue-blind)

#353B54

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #491b8c;
/* rgb */ color: rgb(73, 27, 140);
/* oklch */ color: oklch(36.5% 0.170 294.8);

Tailwind

colors: {
  custom: {
    50: '#835eaf',
    500: '#491b8c',
    950: '#000000',
  },
}

SCSS

$custom: #491b8c;
$custom-light: #835eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#491b8c",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 140
  },
  "hsl": {
    "h": 264.425,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36546,
    "c": 0.17013,
    "h": 294.8
  },
  "luminance": 0.04094
}

Semantic roles & 50–950 ramp

primary

#491B8C

secondary

#8CBD46

accent

#EB3DA4

background

#F8F5FA

surface

#F0E9F5

border

#CBC5CF

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #491B8C

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

Preview Lab → · Contrast checker → · Palette generator →