#491CB4#491CB4

#491CB4 is a dark, highly saturated violet. Relative luminance 0.055; OKLCH L 40.7% C 0.213 H 285.5°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#491CB4
RGB	rgb(73, 28, 180)
HSL	hsl(258, 73%, 41%)
HSV	hsv(258, 84%, 71%)
CMYK	cmyk(59.4%, 84.4%, 0%, 29.4%)
CIE-LAB	lab(28.23, 55.94, -71.21)
CIE-LCH	lch(28.23, 90.56, 308.15°)
OKLab	oklab(40.7% 0.0567 -0.2052)
OKLCH	oklch(40.7% 0.213 285.5)
XYZ	xyz(11.3986, 5.5416, 43.6401)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491CB4 #87B41C

analogous

#1C3BB4 #491CB4 #951CB4

triadic

#491CB4 #B4491C #1CB449

tetradic

#491CB4 #B41C3B #87B41C #1CB495

square

#491CB4 #B41C3B #87B41C #1CB495

split-complementary

#491CB4 #B4951C #3BB41C

monochromatic

#1E0C4A #34147F #491CB4 #632FDF #8A64E7

Accessibility & contrast

On white

9.96

#491CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#491CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491CB4

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491CB4	#FFFFFF	#000000	##FFFFFF
##491CB4	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B8

Deuteranopia (green-blind)

#003EB1

Tritanopia (blue-blind)

#044C6B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #491cb4;
/* rgb */ color: rgb(73, 28, 180);
/* oklch */ color: oklch(40.7% 0.213 285.5);

Tailwind

colors: {
  custom: {
    50: '#8a61cc',
    500: '#491cb4',
    950: '#000000',
  },
}

SCSS

$custom: #491cb4;
$custom-light: #8a61cc;
$custom-dark: #000000;

JSON

{
  "hex": "#491cb4",
  "rgb": {
    "r": 73,
    "g": 28,
    "b": 180
  },
  "hsl": {
    "h": 257.763,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40704,
    "c": 0.21287,
    "h": 285.5
  },
  "luminance": 0.05542
}

Semantic roles & 50–950 ramp

primary

#491CB4

secondary

#ACCC60

accent

#F038B9

background

#F9F6FC

surface

#F1EBF9

border

#CBC6D2

text

#0D0514

muted

#7E7A82

Preview Lab

Preview with #491CB4

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

Preview Lab → · Contrast checker → · Palette generator →