#491F7D#491F7D

#491F7D is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.6% C 0.149 H 298.9°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#491F7D
RGB	rgb(73, 31, 125)
HSL	hsl(267, 60%, 31%)
HSV	hsv(267, 75%, 49%)
CMYK	cmyk(41.6%, 75.2%, 0%, 51%)
CIE-LAB	lab(23.26, 39.74, -45.58)
CIE-LCH	lch(23.26, 60.47, 311.08°)
OKLab	oklab(35.62% 0.072 -0.1302)
OKLCH	oklch(35.62% 0.149 298.9)
XYZ	xyz(6.9384, 3.8770, 19.7808)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.25

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491F7D #537D1F

analogous

#1F247D #491F7D #781F7D

triadic

#491F7D #7D491F #1F7D49

tetradic

#491F7D #7D1F24 #537D1F #1F7D78

square

#491F7D #7D1F24 #537D1F #1F7D78

split-complementary

#491F7D #7D781F #247D1F

monochromatic

#10071B #2C134C #491F7D #662BAE #8445D1

Accessibility & contrast

On white

11.83

#491F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#491F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491F7D

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491F7D	#FFFFFF	#000000	##FFFFFF
##491F7D	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003780

Deuteranopia (green-blind)

#00377B

Tritanopia (blue-blind)

#3D374C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #491f7d;
/* rgb */ color: rgb(73, 31, 125);
/* oklch */ color: oklch(35.6% 0.149 298.9);

Tailwind

colors: {
  custom: {
    50: '#815fa3',
    500: '#491f7d',
    950: '#000000',
  },
}

SCSS

$custom: #491f7d;
$custom-light: #815fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#491f7d",
  "rgb": {
    "r": 73,
    "g": 31,
    "b": 125
  },
  "hsl": {
    "h": 266.809,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.35621,
    "c": 0.14879,
    "h": 298.9
  },
  "luminance": 0.03877
}

Semantic roles & 50–950 ramp

primary

#491F7D

secondary

#81B048

accent

#E3449C

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B050F

muted

#7C797F

Preview Lab

Preview with #491F7D

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

Preview Lab → · Contrast checker → · Palette generator →