#491BA1#491BA1

#491BA1 is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.6% C 0.193 H 289.4°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#491BA1
RGB	rgb(73, 27, 161)
HSL	hsl(261, 71%, 37%)
HSV	hsv(261, 83%, 63%)
CMYK	cmyk(54.7%, 83.2%, 0%, 36.9%)
CIE-LAB	lab(26.08, 51.24, -63.31)
CIE-LCH	lch(26.08, 81.45, 308.99°)
OKLab	oklab(38.63% 0.0642 -0.1821)
OKLCH	oklch(38.63% 0.193 289.4)
XYZ	xyz(9.5707, 4.7731, 34.1283)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491BA1 #73A11B

analogous

#1B30A1 #491BA1 #8C1BA1

triadic

#491BA1 #A1491B #1BA149

tetradic

#491BA1 #A11B30 #73A11B #1BA18C

square

#491BA1 #A11B30 #73A11B #1BA18C

split-complementary

#491BA1 #A18C1B #30A11B

monochromatic

#190938 #31126D #491BA1 #6124D5 #8554E2

Accessibility & contrast

On white

10.74

#491BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#491BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491BA1

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491BA1	#FFFFFF	#000000	##FFFFFF
##491BA1	1.00	10.74	1.95	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A5

Deuteranopia (green-blind)

#003A9F

Tritanopia (blue-blind)

#264460

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #491ba1;
/* rgb */ color: rgb(73, 27, 161);
/* oklch */ color: oklch(38.6% 0.193 289.4);

Tailwind

colors: {
  custom: {
    50: '#865fbe',
    500: '#491ba1',
    950: '#000000',
  },
}

SCSS

$custom: #491ba1;
$custom-light: #865fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#491ba1",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 161
  },
  "hsl": {
    "h": 260.597,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.38632,
    "c": 0.19312,
    "h": 289.4
  },
  "luminance": 0.04774
}

Semantic roles & 50–950 ramp

primary

#491BA1

secondary

#9EC552

accent

#EE3AB0

background

#F8F5FB

surface

#F0EAF7

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #491BA1

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

Preview Lab → · Contrast checker → · Palette generator →