#491B71#491B71

#491B71 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.1% C 0.140 H 304.2°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#491B71
RGB	rgb(73, 27, 113)
HSL	hsl(272, 61%, 27%)
HSV	hsv(272, 76%, 44%)
CMYK	cmyk(35.4%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(21.55, 38.54, -40.69)
CIE-LCH	lch(21.55, 56.04, 313.44°)
OKLab	oklab(34.09% 0.0787 -0.1158)
OKLCH	oklch(34.09% 0.14 304.2)
XYZ	xyz(6.1195, 3.3926, 15.9520)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B71 #43711B

analogous

#1E1B71 #491B71 #711B6E

triadic

#491B71 #71491B #1B7149

tetradic

#491B71 #711E1B #43711B #1B6E71

square

#491B71 #711E1B #43711B #1B6E71

split-complementary

#491B71 #6E711B #1B711E

monochromatic

#100619 #290F40 #491B71 #6927A2 #8937CF

Accessibility & contrast

On white

12.51

#491B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#491B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B71

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B71	#FFFFFF	#000000	##FFFFFF
##491B71	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003373

Deuteranopia (green-blind)

#00346F

Tritanopia (blue-blind)

#413044

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #491b71;
/* rgb */ color: rgb(73, 27, 113);
/* oklch */ color: oklch(34.1% 0.140 304.2);

Tailwind

colors: {
  custom: {
    50: '#805c9a',
    500: '#491b71',
    950: '#000000',
  },
}

SCSS

$custom: #491b71;
$custom-light: #805c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#491b71",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 272.093,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.34094,
    "c": 0.14004,
    "h": 304.2
  },
  "luminance": 0.03393
}

Semantic roles & 50–950 ramp

primary

#491B71

secondary

#70A642

accent

#E5438E

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #491B71

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

Preview Lab → · Contrast checker → · Palette generator →