#491BB4#491BB4

#491BB4 is a dark, highly saturated violet. Relative luminance 0.055; OKLCH L 40.6% C 0.214 H 285.5°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#491BB4
RGB	rgb(73, 27, 180)
HSL	hsl(258, 74%, 41%)
HSV	hsv(258, 85%, 71%)
CMYK	cmyk(59.4%, 85%, 0%, 29.4%)
CIE-LAB	lab(28.10, 56.31, -71.42)
CIE-LCH	lch(28.10, 90.95, 308.26°)
OKLab	oklab(40.62% 0.0572 -0.2058)
OKLCH	oklch(40.62% 0.214 285.5)
XYZ	xyz(11.3753, 5.4949, 43.6324)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491BB4 #86B41B

analogous

#1B3AB4 #491BB4 #951BB4

triadic

#491BB4 #B4491B #1BB449

tetradic

#491BB4 #B41B3A #86B41B #1BB495

square

#491BB4 #B41B3A #86B41B #1BB495

split-complementary

#491BB4 #B4951B #3AB41B

monochromatic

#1E0B4A #33137F #491BB4 #622DDF #8A62E7

Accessibility & contrast

On white

10.00

#491BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#491BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491BB4

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491BB4	#FFFFFF	#000000	##FFFFFF
##491BB4	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B8

Deuteranopia (green-blind)

#003EB1

Tritanopia (blue-blind)

#044C6B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #491bb4;
/* rgb */ color: rgb(73, 27, 180);
/* oklch */ color: oklch(40.6% 0.214 285.5);

Tailwind

colors: {
  custom: {
    50: '#8a60cc',
    500: '#491bb4',
    950: '#000000',
  },
}

SCSS

$custom: #491bb4;
$custom-light: #8a60cc;
$custom-dark: #000000;

JSON

{
  "hex": "#491bb4",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 180
  },
  "hsl": {
    "h": 258.039,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40619,
    "c": 0.21357,
    "h": 285.5
  },
  "luminance": 0.05496
}

Semantic roles & 50–950 ramp

primary

#491BB4

secondary

#ABCC5F

accent

#F137B9

background

#F9F6FC

surface

#F1EBF9

border

#CBC6D2

text

#0D0514

muted

#7E7A82

Preview Lab

Preview with #491BB4

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

Preview Lab → · Contrast checker → · Palette generator →