#491F7B#491F7B

#491F7B is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.4% C 0.146 H 299.6°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#491F7B
RGB	rgb(73, 31, 123)
HSL	hsl(267, 60%, 30%)
HSV	hsv(267, 75%, 48%)
CMYK	cmyk(40.7%, 74.8%, 0%, 51.8%)
CIE-LAB	lab(23.09, 39.20, -44.59)
CIE-LCH	lch(23.09, 59.37, 311.32°)
OKLab	oklab(35.45% 0.0724 -0.1273)
OKLCH	oklch(35.45% 0.146 299.6)
XYZ	xyz(6.8119, 3.8264, 19.1147)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.37

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491F7B #517B1F

analogous

#1F237B #491F7B #771F7B

triadic

#491F7B #7B491F #1F7B49

tetradic

#491F7B #7B1F23 #517B1F #1F7B77

square

#491F7B #7B1F23 #517B1F #1F7B77

split-complementary

#491F7B #7B771F #237B1F

monochromatic

#0F0619 #2C134A #491F7B #662BAC #8444D0

Accessibility & contrast

On white

11.90

#491F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#491F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491F7B

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491F7B	#FFFFFF	#000000	##FFFFFF
##491F7B	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377E

Deuteranopia (green-blind)

#003679

Tritanopia (blue-blind)

#3D364B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #491f7b;
/* rgb */ color: rgb(73, 31, 123);
/* oklch */ color: oklch(35.4% 0.146 299.6);

Tailwind

colors: {
  custom: {
    50: '#815fa2',
    500: '#491f7b',
    950: '#000000',
  },
}

SCSS

$custom: #491f7b;
$custom-light: #815fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#491f7b",
  "rgb": {
    "r": 73,
    "g": 31,
    "b": 123
  },
  "hsl": {
    "h": 267.391,
    "s": 59.74,
    "l": 30.196
  },
  "oklch": {
    "l": 0.35446,
    "c": 0.14647,
    "h": 299.6
  },
  "luminance": 0.03827
}

Semantic roles & 50–950 ramp

primary

#491F7B

secondary

#7FAE48

accent

#E3459B

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B050F

muted

#7C797F

Preview Lab

Preview with #491F7B

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

Preview Lab → · Contrast checker → · Palette generator →