#491B83#491B83

#491B83 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.7% C 0.160 H 297.6°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#491B83
RGB	rgb(73, 27, 131)
HSL	hsl(267, 66%, 31%)
HSV	hsv(267, 79%, 51%)
CMYK	cmyk(44.3%, 79.4%, 0%, 48.6%)
CIE-LAB	lab(23.13, 43.24, -49.58)
CIE-LCH	lch(23.13, 65.79, 311.09°)
OKLab	oklab(35.7% 0.0742 -0.1419)
OKLCH	oklch(35.7% 0.16 297.6)
XYZ	xyz(7.2353, 3.8389, 21.8281)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B83 #55831B

analogous

#1B2183 #491B83 #7D1B83

triadic

#491B83 #83491B #1B8349

tetradic

#491B83 #831B21 #55831B #1B837D

square

#491B83 #831B21 #55831B #1B837D

split-complementary

#491B83 #837D1B #21831B

monochromatic

#10061E #2D1150 #491B83 #6525B6 #8341D8

Accessibility & contrast

On white

11.88

#491B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#491B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B83

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B83	#FFFFFF	#000000	##FFFFFF
##491B83	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003786

Deuteranopia (green-blind)

#003681

Tritanopia (blue-blind)

#3A374E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #491b83;
/* rgb */ color: rgb(73, 27, 131);
/* oklch */ color: oklch(35.7% 0.160 297.6);

Tailwind

colors: {
  custom: {
    50: '#825da8',
    500: '#491b83',
    950: '#000000',
  },
}

SCSS

$custom: #491b83;
$custom-light: #825da8;
$custom-dark: #000000;

JSON

{
  "hex": "#491b83",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 131
  },
  "hsl": {
    "h": 266.538,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35696,
    "c": 0.16017,
    "h": 297.6
  },
  "luminance": 0.03839
}

Semantic roles & 50–950 ramp

primary

#491B83

secondary

#84B643

accent

#E93F9E

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0410

muted

#7C797F

Preview Lab

Preview with #491B83

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

Preview Lab → · Contrast checker → · Palette generator →