#491B7D#491B7D

#491B7D is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.1% C 0.153 H 299.6°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#491B7D
RGB	rgb(73, 27, 125)
HSL	hsl(268, 64%, 30%)
HSV	hsv(268, 78%, 49%)
CMYK	cmyk(41.6%, 78.4%, 0%, 51%)
CIE-LAB	lab(22.59, 41.65, -46.68)
CIE-LCH	lch(22.59, 62.56, 311.74°)
OKLab	oklab(35.15% 0.0759 -0.1334)
OKLCH	oklch(35.15% 0.153 299.6)
XYZ	xyz(6.8403, 3.6809, 19.7482)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.46

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B7D #4F7D1B

analogous

#1B1E7D #491B7D #7A1B7D

triadic

#491B7D #7D491B #1B7D49

tetradic

#491B7D #7D1B1E #4F7D1B #1B7D7A

square

#491B7D #7D1B1E #4F7D1B #1B7D7A

split-complementary

#491B7D #7D7A1B #1E7D1B

monochromatic

#0F0519 #2C104B #491B7D #6626AF #853DD5

Accessibility & contrast

On white

12.10

#491B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#491B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B7D

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B7D	#FFFFFF	#000000	##FFFFFF
##491B7D	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003680

Deuteranopia (green-blind)

#00357B

Tritanopia (blue-blind)

#3D354B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #491b7d;
/* rgb */ color: rgb(73, 27, 125);
/* oklch */ color: oklch(35.1% 0.153 299.6);

Tailwind

colors: {
  custom: {
    50: '#815da3',
    500: '#491b7d',
    950: '#000000',
  },
}

SCSS

$custom: #491b7d;
$custom-light: #815da3;
$custom-dark: #000000;

JSON

{
  "hex": "#491b7d",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 125
  },
  "hsl": {
    "h": 268.163,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.35146,
    "c": 0.15348,
    "h": 299.6
  },
  "luminance": 0.03681
}

Semantic roles & 50–950 ramp

primary

#491B7D

secondary

#7DB143

accent

#E74099

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #491B7D

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

Preview Lab → · Contrast checker → · Palette generator →