#491B8D#491B8D

#491B8D is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.6% C 0.171 H 294.5°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#491B8D
RGB	rgb(73, 27, 141)
HSL	hsl(264, 68%, 33%)
HSV	hsv(264, 81%, 55%)
CMYK	cmyk(48.2%, 80.9%, 0%, 44.7%)
CIE-LAB	lab(24.07, 45.89, -54.30)
CIE-LCH	lch(24.07, 71.10, 310.20°)
OKLab	oklab(36.64% 0.0711 -0.1558)
OKLCH	oklch(36.64% 0.171 294.5)
XYZ	xyz(7.9460, 4.1232, 25.5713)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B8D #5F8D1B

analogous

#1B268D #491B8D #821B8D

triadic

#491B8D #8D491B #1B8D49

tetradic

#491B8D #8D1B26 #5F8D1B #1B8D82

square

#491B8D #8D1B26 #5F8D1B #1B8D82

split-complementary

#491B8D #8D821B #268D1B

monochromatic

#140726 #2E115A #491B8D #6425C0 #8347DC

Accessibility & contrast

On white

11.51

#491B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#491B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B8D

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B8D	#FFFFFF	#000000	##FFFFFF
##491B8D	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A90

Deuteranopia (green-blind)

#00378B

Tritanopia (blue-blind)

#353B54

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #491b8d;
/* rgb */ color: rgb(73, 27, 141);
/* oklch */ color: oklch(36.6% 0.171 294.5);

Tailwind

colors: {
  custom: {
    50: '#835eaf',
    500: '#491b8d',
    950: '#000000',
  },
}

SCSS

$custom: #491b8d;
$custom-light: #835eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#491b8d",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 141
  },
  "hsl": {
    "h": 264.211,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36642,
    "c": 0.17125,
    "h": 294.5
  },
  "luminance": 0.04123
}

Semantic roles & 50–950 ramp

primary

#491B8D

secondary

#8DBD46

accent

#EB3DA5

background

#F8F5FA

surface

#F0E9F5

border

#CBC5CF

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #491B8D

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

Preview Lab → · Contrast checker → · Palette generator →