#491F8B#491F8B

#491F8B is a dark, vivid violet. Relative luminance 0.043; OKLCH L 36.9% C 0.165 H 294.5°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#491F8B
RGB	rgb(73, 31, 139)
HSL	hsl(263, 64%, 33%)
HSV	hsv(263, 78%, 55%)
CMYK	cmyk(47.5%, 77.7%, 0%, 45.5%)
CIE-LAB	lab(24.51, 43.55, -52.33)
CIE-LCH	lch(24.51, 68.08, 309.76°)
OKLab	oklab(36.89% 0.0685 -0.15)
OKLCH	oklch(36.89% 0.165 294.5)
XYZ	xyz(7.8966, 4.2603, 24.8274)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491F8B #618B1F

analogous

#1F2B8B #491F8B #7F1F8B

triadic

#491F8B #8B491F #1F8B49

tetradic

#491F8B #8B1F2B #618B1F #1F8B7F

square

#491F8B #8B1F2B #618B1F #1F8B7F

split-complementary

#491F8B #8B7F1F #2B8B1F

monochromatic

#140927 #2F1459 #491F8B #632ABD #834DD7

Accessibility & contrast

On white

11.34

#491F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#491F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491F8B

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491F8B	#FFFFFF	#000000	##FFFFFF
##491F8B	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003889

Tritanopia (blue-blind)

#363C54

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #491f8b;
/* rgb */ color: rgb(73, 31, 139);
/* oklch */ color: oklch(36.9% 0.165 294.5);

Tailwind

colors: {
  custom: {
    50: '#8360ae',
    500: '#491f8b',
    950: '#000000',
  },
}

SCSS

$custom: #491f8b;
$custom-light: #8360ae;
$custom-dark: #000000;

JSON

{
  "hex": "#491f8b",
  "rgb": {
    "r": 73,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 263.333,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36891,
    "c": 0.16492,
    "h": 294.5
  },
  "luminance": 0.04261
}

Semantic roles & 50–950 ramp

primary

#491F8B

secondary

#8FBA4C

accent

#E741A6

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #491F8B

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

Preview Lab → · Contrast checker → · Palette generator →