#491B77#491B77

#491B77 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.6% C 0.147 H 301.8°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#491B77
RGB	rgb(73, 27, 119)
HSL	hsl(270, 63%, 29%)
HSV	hsv(270, 77%, 47%)
CMYK	cmyk(38.7%, 77.3%, 0%, 53.3%)
CIE-LAB	lab(22.06, 40.09, -43.72)
CIE-LCH	lch(22.06, 59.31, 312.52°)
OKLab	oklab(34.61% 0.0774 -0.1247)
OKLCH	oklch(34.61% 0.147 301.8)
XYZ	xyz(6.4686, 3.5322, 17.7902)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.93

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B77 #49771B

analogous

#1B1B77 #491B77 #771B77

triadic

#491B77 #77491B #1B7749

tetradic

#491B77 #771B1B #49771B #1B7777

square

#491B77 #771B1B #49771B #1B7777

split-complementary

#491B77 #77771B #1B771B

monochromatic

#0F0619 #2A1045 #491B77 #6826A9 #863AD2

Accessibility & contrast

On white

12.31

#491B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#491B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B77

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B77	#FFFFFF	#000000	##FFFFFF
##491B77	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347A

Deuteranopia (green-blind)

#003475

Tritanopia (blue-blind)

#3F3248

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #491b77;
/* rgb */ color: rgb(73, 27, 119);
/* oklch */ color: oklch(34.6% 0.147 301.8);

Tailwind

colors: {
  custom: {
    50: '#815c9f',
    500: '#491b77',
    950: '#000000',
  },
}

SCSS

$custom: #491b77;
$custom-light: #815c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#491b77",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 119
  },
  "hsl": {
    "h": 270,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34612,
    "c": 0.14677,
    "h": 301.8
  },
  "luminance": 0.03532
}

Semantic roles & 50–950 ramp

primary

#491B77

secondary

#77AB42

accent

#E64294

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040F

muted

#7C797E

Preview Lab

Preview with #491B77

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

Preview Lab → · Contrast checker → · Palette generator →