#491F9B#491F9B

#491F9B is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.4% C 0.183 H 290.3°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#491F9B
RGB	rgb(73, 31, 155)
HSL	hsl(260, 67%, 36%)
HSV	hsv(260, 80%, 61%)
CMYK	cmyk(52.9%, 80%, 0%, 39.2%)
CIE-LAB	lab(26.05, 47.94, -59.70)
CIE-LCH	lch(26.05, 76.56, 308.76°)
OKLab	oklab(38.43% 0.0637 -0.1716)
OKLCH	oklch(38.43% 0.183 290.3)
XYZ	xyz(9.1523, 4.7626, 31.4410)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491F9B #719B1F

analogous

#1F339B #491F9B #871F9B

triadic

#491F9B #9B491F #1F9B49

tetradic

#491F9B #9B1F33 #719B1F #1F9B87

square

#491F9B #9B1F33 #719B1F #1F9B87

split-complementary

#491F9B #9B871F #339B1F

monochromatic

#190B35 #311568 #491F9B #6129CE #8557DD

Accessibility & contrast

On white

10.75

#491F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#491F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491F9B

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491F9B	#FFFFFF	#000000	##FFFFFF
##491F9B	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409E

Deuteranopia (green-blind)

#003B99

Tritanopia (blue-blind)

#2B435D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #491f9b;
/* rgb */ color: rgb(73, 31, 155);
/* oklch */ color: oklch(38.4% 0.183 290.3);

Tailwind

colors: {
  custom: {
    50: '#8560ba',
    500: '#491f9b',
    950: '#000000',
  },
}

SCSS

$custom: #491f9b;
$custom-light: #8560ba;
$custom-dark: #000000;

JSON

{
  "hex": "#491f9b",
  "rgb": {
    "r": 73,
    "g": 31,
    "b": 155
  },
  "hsl": {
    "h": 260.323,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.38428,
    "c": 0.18303,
    "h": 290.3
  },
  "luminance": 0.04763
}

Semantic roles & 50–950 ramp

primary

#491F9B

secondary

#9CC155

accent

#EA3EB0

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #491F9B

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

Preview Lab → · Contrast checker → · Palette generator →