#491B7E#491B7E

#491B7E is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.2% C 0.155 H 299.3°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#491B7E
RGB	rgb(73, 27, 126)
HSL	hsl(268, 65%, 30%)
HSV	hsv(268, 79%, 49%)
CMYK	cmyk(42.1%, 78.6%, 0%, 50.6%)
CIE-LAB	lab(22.68, 41.92, -47.17)
CIE-LCH	lch(22.68, 63.10, 311.63°)
OKLab	oklab(35.24% 0.0756 -0.1348)
OKLCH	oklch(35.24% 0.155 299.3)
XYZ	xyz(6.9045, 3.7066, 20.0863)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.41

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B7E #507E1B

analogous

#1B1E7E #491B7E #7B1B7E

triadic

#491B7E #7E491B #1B7E49

tetradic

#491B7E #7E1B1E #507E1B #1B7E7B

square

#491B7E #7E1B1E #507E1B #1B7E7B

split-complementary

#491B7E #7E7B1B #1E7E1B

monochromatic

#0F0519 #2C104C #491B7E #6626B0 #843ED6

Accessibility & contrast

On white

12.06

#491B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#491B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B7E

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B7E	#FFFFFF	#000000	##FFFFFF
##491B7E	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003681

Deuteranopia (green-blind)

#00357C

Tritanopia (blue-blind)

#3C354B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #491b7e;
/* rgb */ color: rgb(73, 27, 126);
/* oklch */ color: oklch(35.2% 0.155 299.3);

Tailwind

colors: {
  custom: {
    50: '#815da4',
    500: '#491b7e',
    950: '#000000',
  },
}

SCSS

$custom: #491b7e;
$custom-light: #815da4;
$custom-dark: #000000;

JSON

{
  "hex": "#491b7e",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 126
  },
  "hsl": {
    "h": 267.879,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.35237,
    "c": 0.15461,
    "h": 299.3
  },
  "luminance": 0.03707
}

Semantic roles & 50–950 ramp

primary

#491B7E

secondary

#7EB243

accent

#E8409A

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #491B7E

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

Preview Lab → · Contrast checker → · Palette generator →