#531B8A#531B8A

#531B8A is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.169 H 301.2°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#531B8A
RGB	rgb(83, 27, 138)
HSL	hsl(270, 67%, 32%)
HSV	hsv(270, 80%, 54%)
CMYK	cmyk(39.9%, 80.4%, 0%, 45.9%)
CIE-LAB	lab(25.13, 46.71, -50.65)
CIE-LCH	lch(25.13, 68.90, 312.68°)
OKLab	oklab(37.59% 0.0877 -0.1447)
OKLCH	oklch(37.59% 0.169 301.2)
XYZ	xyz(8.5455, 4.4578, 24.4501)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531B8A #528A1B

analogous

#1B1B8A #531B8A #8A1B8A

triadic

#531B8A #8A531B #1B8A53

tetradic

#531B8A #8A1B1B #528A1B #1B8A8A

square

#531B8A #8A1B1B #528A1B #1B8A8A

split-complementary

#531B8A #8A8A1B #1B8A1B

monochromatic

#150724 #341157 #531B8A #7225BD #9045DB

Accessibility & contrast

On white

11.10

#531B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#531B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531B8A

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531B8A	#FFFFFF	#000000	##FFFFFF
##531B8A	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8D

Deuteranopia (green-blind)

#003B88

Tritanopia (blue-blind)

#473952

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #531b8a;
/* rgb */ color: rgb(83, 27, 138);
/* oklch */ color: oklch(37.6% 0.169 301.2);

Tailwind

colors: {
  custom: {
    50: '#895fad',
    500: '#531b8a',
    950: '#000000',
  },
}

SCSS

$custom: #531b8a;
$custom-light: #895fad;
$custom-dark: #000000;

JSON

{
  "hex": "#531b8a",
  "rgb": {
    "r": 83,
    "g": 27,
    "b": 138
  },
  "hsl": {
    "h": 270.27,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37585,
    "c": 0.16921,
    "h": 301.2
  },
  "luminance": 0.04458
}

Semantic roles & 50–950 ramp

primary

#531B8A

secondary

#80BC45

accent

#EA3E93

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #531B8A

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

Preview Lab → · Contrast checker → · Palette generator →