#491B79#491B79

#491B79 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.8% C 0.149 H 301.1°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#491B79
RGB	rgb(73, 27, 121)
HSL	hsl(269, 64%, 29%)
HSV	hsv(269, 78%, 47%)
CMYK	cmyk(39.7%, 77.7%, 0%, 52.5%)
CIE-LAB	lab(22.23, 40.61, -44.71)
CIE-LCH	lch(22.23, 60.40, 312.24°)
OKLab	oklab(34.79% 0.0769 -0.1276)
OKLCH	oklch(34.79% 0.149 301.1)
XYZ	xyz(6.5899, 3.5808, 18.4294)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.74

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B79 #4B791B

analogous

#1B1C79 #491B79 #781B79

triadic

#491B79 #79491B #1B7949

tetradic

#491B79 #791B1C #4B791B #1B7978

square

#491B79 #791B1C #4B791B #1B7978

split-complementary

#491B79 #79781B #1C791B

monochromatic

#0F0619 #2B1047 #491B79 #6726AB #863BD3

Accessibility & contrast

On white

12.24

#491B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#491B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B79

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B79	#FFFFFF	#000000	##FFFFFF
##491B79	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357C

Deuteranopia (green-blind)

#003577

Tritanopia (blue-blind)

#3E3349

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #491b79;
/* rgb */ color: rgb(73, 27, 121);
/* oklch */ color: oklch(34.8% 0.149 301.1);

Tailwind

colors: {
  custom: {
    50: '#815da0',
    500: '#491b79',
    950: '#000000',
  },
}

SCSS

$custom: #491b79;
$custom-light: #815da0;
$custom-dark: #000000;

JSON

{
  "hex": "#491b79",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 269.362,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.34788,
    "c": 0.14901,
    "h": 301.1
  },
  "luminance": 0.03581
}

Semantic roles & 50–950 ramp

primary

#491B79

secondary

#79AD43

accent

#E74196

background

#F8F5FA

surface

#EFE9F3

border

#CAC5CD

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #491B79

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

Preview Lab → · Contrast checker → · Palette generator →