#491B75#491B75

#491B75 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.4% C 0.145 H 302.6°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#491B75
RGB	rgb(73, 27, 117)
HSL	hsl(271, 63%, 28%)
HSV	hsv(271, 77%, 46%)
CMYK	cmyk(37.6%, 76.9%, 0%, 54.1%)
CIE-LAB	lab(21.89, 39.57, -42.71)
CIE-LCH	lch(21.89, 58.22, 312.81°)
OKLab	oklab(34.44% 0.0779 -0.1218)
OKLCH	oklch(34.44% 0.145 302.6)
XYZ	xyz(6.3497, 3.4847, 17.1643)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B75 #47751B

analogous

#1C1B75 #491B75 #751B74

triadic

#491B75 #75491B #1B7549

tetradic

#491B75 #751C1B #47751B #1B7475

square

#491B75 #751C1B #47751B #1B7475

split-complementary

#491B75 #74751B #1B751C

monochromatic

#100619 #2A1043 #491B75 #6826A7 #8739D1

Accessibility & contrast

On white

12.37

#491B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#491B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B75

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B75	#FFFFFF	#000000	##FFFFFF
##491B75	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003478

Deuteranopia (green-blind)

#003473

Tritanopia (blue-blind)

#403146

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #491b75;
/* rgb */ color: rgb(73, 27, 117);
/* oklch */ color: oklch(34.4% 0.145 302.6);

Tailwind

colors: {
  custom: {
    50: '#805c9d',
    500: '#491b75',
    950: '#000000',
  },
}

SCSS

$custom: #491b75;
$custom-light: #805c9d;
$custom-dark: #000000;

JSON

{
  "hex": "#491b75",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 117
  },
  "hsl": {
    "h": 270.667,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.34438,
    "c": 0.14453,
    "h": 302.6
  },
  "luminance": 0.03485
}

Semantic roles & 50–950 ramp

primary

#491B75

secondary

#75A942

accent

#E64292

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #491B75

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

Preview Lab → · Contrast checker → · Palette generator →