#491B7C#491B7C

#491B7C is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.1% C 0.152 H 300.0°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#491B7C
RGB	rgb(73, 27, 124)
HSL	hsl(268, 64%, 30%)
HSV	hsv(268, 78%, 49%)
CMYK	cmyk(41.1%, 78.2%, 0%, 51.4%)
CIE-LAB	lab(22.50, 41.39, -46.19)
CIE-LCH	lch(22.50, 62.02, 311.86°)
OKLab	oklab(35.06% 0.0762 -0.132)
OKLCH	oklch(35.06% 0.152 300)
XYZ	xyz(6.7768, 3.6555, 19.4134)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.51

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B7C #4E7C1B

analogous

#1B1D7C #491B7C #7A1B7C

triadic

#491B7C #7C491B #1B7C49

tetradic

#491B7C #7C1B1D #4E7C1B #1B7C7A

square

#491B7C #7C1B1D #4E7C1B #1B7C7A

split-complementary

#491B7C #7C7A1B #1D7C1B

monochromatic

#0F0519 #2B104A #491B7C #6726AE #853DD5

Accessibility & contrast

On white

12.13

#491B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#491B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B7C

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B7C	#FFFFFF	#000000	##FFFFFF
##491B7C	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367F

Deuteranopia (green-blind)

#00357A

Tritanopia (blue-blind)

#3D344A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #491b7c;
/* rgb */ color: rgb(73, 27, 124);
/* oklch */ color: oklch(35.1% 0.152 300.0);

Tailwind

colors: {
  custom: {
    50: '#815da3',
    500: '#491b7c',
    950: '#000000',
  },
}

SCSS

$custom: #491b7c;
$custom-light: #815da3;
$custom-dark: #000000;

JSON

{
  "hex": "#491b7c",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 124
  },
  "hsl": {
    "h": 268.454,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.35056,
    "c": 0.15236,
    "h": 300
  },
  "luminance": 0.03656
}

Semantic roles & 50–950 ramp

primary

#491B7C

secondary

#7CB043

accent

#E74198

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #491B7C

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

Preview Lab → · Contrast checker → · Palette generator →