#491B6F#491B6F

#491B6F is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.9% C 0.138 H 305.0°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#491B6F
RGB	rgb(73, 27, 111)
HSL	hsl(273, 61%, 27%)
HSV	hsv(273, 76%, 44%)
CMYK	cmyk(34.2%, 75.7%, 0%, 56.5%)
CIE-LAB	lab(21.39, 38.02, -39.67)
CIE-LCH	lch(21.39, 54.95, 313.79°)
OKLab	oklab(33.93% 0.0791 -0.1128)
OKLCH	oklch(33.93% 0.138 305)
XYZ	xyz(6.0082, 3.3481, 15.3656)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491B6F #416F1B

analogous

#1F1B6F #491B6F #6F1B6B

triadic

#491B6F #6F491B #1B6F49

tetradic

#491B6F #6F1F1B #416F1B #1B6B6F

square

#491B6F #6F1F1B #416F1B #1B6B6F

split-complementary

#491B6F #6B6F1B #1B6F1F

monochromatic

#100619 #290F3E #491B6F #6927A0 #8936CE

Accessibility & contrast

On white

12.58

#491B6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#491B6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B6F

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491B6F	#FFFFFF	#000000	##FFFFFF
##491B6F	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003271

Deuteranopia (green-blind)

#00336D

Tritanopia (blue-blind)

#422F43

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #491b6f;
/* rgb */ color: rgb(73, 27, 111);
/* oklch */ color: oklch(33.9% 0.138 305.0);

Tailwind

colors: {
  custom: {
    50: '#805c99',
    500: '#491b6f',
    950: '#000000',
  },
}

SCSS

$custom: #491b6f;
$custom-light: #805c99;
$custom-dark: #000000;

JSON

{
  "hex": "#491b6f",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 111
  },
  "hsl": {
    "h": 272.857,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.33926,
    "c": 0.13779,
    "h": 305
  },
  "luminance": 0.03348
}

Semantic roles & 50–950 ramp

primary

#491B6F

secondary

#6EA442

accent

#E4448C

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #491B6F

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

Preview Lab → · Contrast checker → · Palette generator →