#491FB4#491FB4

#491FB4 is a dark, highly saturated violet. Relative luminance 0.057; OKLCH L 41.0% C 0.211 H 285.2°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#491FB4
RGB	rgb(73, 31, 180)
HSL	hsl(257, 71%, 41%)
HSV	hsv(257, 83%, 71%)
CMYK	cmyk(59.4%, 82.8%, 0%, 29.4%)
CIE-LAB	lab(28.62, 54.78, -70.56)
CIE-LCH	lch(28.62, 89.33, 307.83°)
OKLab	oklab(40.98% 0.0552 -0.2033)
OKLCH	oklch(40.98% 0.211 285.2)
XYZ	xyz(11.4733, 5.6910, 43.6651)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491FB4 #8AB41F

analogous

#1F40B4 #491FB4 #941FB4

triadic

#491FB4 #B4491F #1FB449

tetradic

#491FB4 #B41F40 #8AB41F #1FB494

square

#491FB4 #B41F40 #8AB41F #1FB494

split-complementary

#491FB4 #B4941F #40B41F

monochromatic

#1F0D4C #341680 #491FB4 #6334DC #8C68E5

Accessibility & contrast

On white

9.82

#491FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#491FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491FB4

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491FB4	#FFFFFF	#000000	##FFFFFF
##491FB4	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B8

Deuteranopia (green-blind)

#003FB1

Tritanopia (blue-blind)

#034D6C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #491fb4;
/* rgb */ color: rgb(73, 31, 180);
/* oklch */ color: oklch(41.0% 0.211 285.2);

Tailwind

colors: {
  custom: {
    50: '#8962cc',
    500: '#491fb4',
    950: '#000000',
  },
}

SCSS

$custom: #491fb4;
$custom-light: #8962cc;
$custom-dark: #000000;

JSON

{
  "hex": "#491fb4",
  "rgb": {
    "r": 73,
    "g": 31,
    "b": 180
  },
  "hsl": {
    "h": 256.913,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40975,
    "c": 0.21067,
    "h": 285.2
  },
  "luminance": 0.05692
}

Semantic roles & 50–950 ramp

primary

#491FB4

secondary

#AECB64

accent

#ED3ABB

background

#F9F6FC

surface

#F1EBF9

border

#CBC6D2

text

#0D0514

muted

#7E7A82

Preview Lab

Preview with #491FB4

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

Preview Lab → · Contrast checker → · Palette generator →