#491B74#491B74

#491B74 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.4% C 0.143 H 303.0°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#491B74
RGB	rgb(73, 27, 116)
HSL	hsl(271, 62%, 28%)
HSV	hsv(271, 77%, 45%)
CMYK	cmyk(37.1%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(21.80, 39.31, -42.21)
CIE-LCH	lch(21.80, 57.68, 312.96°)
OKLab	oklab(34.35% 0.0781 -0.1203)
OKLCH	oklch(34.35% 0.143 303)
XYZ	xyz(6.2912, 3.4613, 16.8563)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B74 #46741B

analogous

#1C1B74 #491B74 #741B72

triadic

#491B74 #74491B #1B7449

tetradic

#491B74 #741C1B #46741B #1B7274

square

#491B74 #741C1B #46741B #1B7274

split-complementary

#491B74 #72741B #1B741C

monochromatic

#100619 #2A0F42 #491B74 #6827A6 #8739D1

Accessibility & contrast

On white

12.41

#491B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#491B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B74

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B74	#FFFFFF	#000000	##FFFFFF
##491B74	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003377

Deuteranopia (green-blind)

#003472

Tritanopia (blue-blind)

#403146

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #491b74;
/* rgb */ color: rgb(73, 27, 116);
/* oklch */ color: oklch(34.4% 0.143 303.0);

Tailwind

colors: {
  custom: {
    50: '#805c9d',
    500: '#491b74',
    950: '#000000',
  },
}

SCSS

$custom: #491b74;
$custom-light: #805c9d;
$custom-dark: #000000;

JSON

{
  "hex": "#491b74",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 271.011,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.34351,
    "c": 0.14341,
    "h": 303
  },
  "luminance": 0.03461
}

Semantic roles & 50–950 ramp

primary

#491B74

secondary

#74A942

accent

#E54291

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #491B74

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

Preview Lab → · Contrast checker → · Palette generator →