#491B9F#491B9F

#491B9F is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.4% C 0.191 H 289.9°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#491B9F
RGB	rgb(73, 27, 159)
HSL	hsl(261, 71%, 36%)
HSV	hsv(261, 83%, 62%)
CMYK	cmyk(54.1%, 83%, 0%, 37.6%)
CIE-LAB	lab(25.87, 50.71, -62.43)
CIE-LCH	lch(25.87, 80.43, 309.08°)
OKLab	oklab(38.43% 0.065 -0.1796)
OKLCH	oklch(38.43% 0.191 289.9)
XYZ	xyz(9.3958, 4.7031, 33.2069)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B9F #719F1B

analogous

#1B2F9F #491B9F #8B1B9F

triadic

#491B9F #9F491B #1B9F49

tetradic

#491B9F #9F1B2F #719F1B #1B9F8B

square

#491B9F #9F1B2F #719F1B #1B9F8B

split-complementary

#491B9F #9F8B1B #2F9F1B

monochromatic

#190936 #31126B #491B9F #6124D3 #8553E2

Accessibility & contrast

On white

10.82

#491B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#491B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B9F

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B9F	#FFFFFF	#000000	##FFFFFF
##491B9F	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A3

Deuteranopia (green-blind)

#003A9D

Tritanopia (blue-blind)

#28435F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #491b9f;
/* rgb */ color: rgb(73, 27, 159);
/* oklch */ color: oklch(38.4% 0.191 289.9);

Tailwind

colors: {
  custom: {
    50: '#865fbd',
    500: '#491b9f',
    950: '#000000',
  },
}

SCSS

$custom: #491b9f;
$custom-light: #865fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#491b9f",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 159
  },
  "hsl": {
    "h": 260.909,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.38428,
    "c": 0.19095,
    "h": 289.9
  },
  "luminance": 0.04704
}

Semantic roles & 50–950 ramp

primary

#491B9F

secondary

#9CC551

accent

#EE3AAF

background

#F8F5FB

surface

#F0EAF7

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #491B9F

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

Preview Lab → · Contrast checker → · Palette generator →