#491B6B#491B6B

#491B6B is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.6% C 0.133 H 306.8°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#491B6B
RGB	rgb(73, 27, 107)
HSL	hsl(275, 60%, 26%)
HSV	hsv(275, 75%, 42%)
CMYK	cmyk(31.8%, 74.8%, 0%, 58%)
CIE-LAB	lab(21.06, 37.01, -37.60)
CIE-LCH	lch(21.06, 52.76, 314.55°)
OKLab	oklab(33.59% 0.0799 -0.1067)
OKLCH	oklch(33.59% 0.133 306.8)
XYZ	xyz(5.7929, 3.2619, 14.2315)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B6B #3D6B1B

analogous

#211B6B #491B6B #6B1B65

triadic

#491B6B #6B491B #1B6B49

tetradic

#491B6B #6B211B #3D6B1B #1B656B

square

#491B6B #6B211B #3D6B1B #1B656B

split-complementary

#491B6B #656B1B #1B6B21

monochromatic

#110618 #280F3A #491B6B #6A279C #8C35CC

Accessibility & contrast

On white

12.71

#491B6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#491B6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B6B

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B6B	#FFFFFF	#000000	##FFFFFF
##491B6B	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316D

Deuteranopia (green-blind)

#013369

Tritanopia (blue-blind)

#432D41

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #491b6b;
/* rgb */ color: rgb(73, 27, 107);
/* oklch */ color: oklch(33.6% 0.133 306.8);

Tailwind

colors: {
  custom: {
    50: '#7f5c96',
    500: '#491b6b',
    950: '#000000',
  },
}

SCSS

$custom: #491b6b;
$custom-light: #7f5c96;
$custom-dark: #000000;

JSON

{
  "hex": "#491b6b",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 107
  },
  "hsl": {
    "h": 274.5,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.33594,
    "c": 0.13328,
    "h": 306.8
  },
  "luminance": 0.03262
}

Semantic roles & 50–950 ramp

primary

#491B6B

secondary

#6AA042

accent

#E34588

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0A040D

muted

#7C797E

Preview Lab

Preview with #491B6B

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

Preview Lab → · Contrast checker → · Palette generator →