#491F81#491F81

#491F81 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.0% C 0.153 H 297.6°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#491F81
RGB	rgb(73, 31, 129)
HSL	hsl(266, 61%, 31%)
HSV	hsv(266, 76%, 51%)
CMYK	cmyk(43.4%, 76%, 0%, 49.4%)
CIE-LAB	lab(23.61, 40.82, -47.54)
CIE-LCH	lch(23.61, 62.66, 310.65°)
OKLab	oklab(35.98% 0.0711 -0.136)
OKLCH	oklch(35.98% 0.153 297.6)
XYZ	xyz(7.1991, 3.9813, 21.1538)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491F81 #57811F

analogous

#1F2681 #491F81 #7A1F81

triadic

#491F81 #81491F #1F8149

tetradic

#491F81 #811F26 #57811F #1F817A

square

#491F81 #811F26 #57811F #1F817A

split-complementary

#491F81 #817A1F #26811F

monochromatic

#11071E #2D1350 #491F81 #652BB2 #8347D3

Accessibility & contrast

On white

11.69

#491F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#491F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491F81

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491F81	#FFFFFF	#000000	##FFFFFF
##491F81	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003884

Deuteranopia (green-blind)

#00377F

Tritanopia (blue-blind)

#3B384E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #491f81;
/* rgb */ color: rgb(73, 31, 129);
/* oklch */ color: oklch(36.0% 0.153 297.6);

Tailwind

colors: {
  custom: {
    50: '#815fa6',
    500: '#491f81',
    950: '#000000',
  },
}

SCSS

$custom: #491f81;
$custom-light: #815fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#491f81",
  "rgb": {
    "r": 73,
    "g": 31,
    "b": 129
  },
  "hsl": {
    "h": 265.714,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35976,
    "c": 0.15342,
    "h": 297.6
  },
  "luminance": 0.03981
}

Semantic roles & 50–950 ramp

primary

#491F81

secondary

#86B448

accent

#E4439F

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B050F

muted

#7C797F

Preview Lab

Preview with #491F81

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

Preview Lab → · Contrast checker → · Palette generator →