#531B8B#531B8B

#531B8B is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.170 H 300.9°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#531B8B
RGB	rgb(83, 27, 139)
HSL	hsl(270, 67%, 33%)
HSV	hsv(270, 81%, 55%)
CMYK	cmyk(40.3%, 80.6%, 0%, 45.5%)
CIE-LAB	lab(25.22, 46.96, -51.13)
CIE-LCH	lch(25.22, 69.42, 312.57°)
OKLab	oklab(37.67% 0.0874 -0.1461)
OKLCH	oklch(37.67% 0.17 300.9)
XYZ	xyz(8.6183, 4.4869, 24.8331)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531B8B #538B1B

analogous

#1B1B8B #531B8B #8B1B8B

triadic

#531B8B #8B531B #1B8B53

tetradic

#531B8B #8B1B1B #538B1B #1B8B8B

square

#531B8B #8B1B1B #538B1B #1B8B8B

split-complementary

#531B8B #8B8B1B #1B8B1B

monochromatic

#160725 #341158 #531B8B #7225BE #9045DB

Accessibility & contrast

On white

11.07

#531B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#531B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531B8B

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531B8B	#FFFFFF	#000000	##FFFFFF
##531B8B	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003B89

Tritanopia (blue-blind)

#463953

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #531b8b;
/* rgb */ color: rgb(83, 27, 139);
/* oklch */ color: oklch(37.7% 0.170 300.9);

Tailwind

colors: {
  custom: {
    50: '#895fae',
    500: '#531b8b',
    950: '#000000',
  },
}

SCSS

$custom: #531b8b;
$custom-light: #895fae;
$custom-dark: #000000;

JSON

{
  "hex": "#531b8b",
  "rgb": {
    "r": 83,
    "g": 27,
    "b": 139
  },
  "hsl": {
    "h": 270,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.37675,
    "c": 0.17027,
    "h": 300.9
  },
  "luminance": 0.04487
}

Semantic roles & 50–950 ramp

primary

#531B8B

secondary

#81BC45

accent

#EA3D94

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #531B8B

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

Preview Lab → · Contrast checker → · Palette generator →