#731B9B#731B9B

#731B9B is a dark, vivid purple. Relative luminance 0.068; OKLCH L 43.4% C 0.194 H 311.9°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#731B9B
RGB	rgb(115, 27, 155)
HSL	hsl(281, 70%, 36%)
HSV	hsv(281, 83%, 61%)
CMYK	cmyk(25.8%, 82.6%, 0%, 39.2%)
CIE-LAB	lab(31.34, 56.05, -50.82)
CIE-LCH	lch(31.34, 75.65, 317.80°)
OKLab	oklab(43.35% 0.1294 -0.144)
OKLCH	oklch(43.35% 0.194 311.9)
XYZ	xyz(13.3775, 6.7956, 31.6110)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731B9B #439B1B

analogous

#331B9B #731B9B #9B1B83

triadic

#731B9B #9B731B #1B9B73

tetradic

#731B9B #9B331B #439B1B #1B839B

square

#731B9B #9B331B #439B1B #1B839B

split-complementary

#731B9B #839B1B #1B9B33

monochromatic

#260933 #4C1267 #731B9B #9A24CF #B350E0

Accessibility & contrast

On white

8.90

#731B9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#731B9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731B9B

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731B9B	#FFFFFF	#000000	##FFFFFF
##731B9B	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469E

Deuteranopia (green-blind)

#004B98

Tritanopia (blue-blind)

#6E3C5C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #731b9b;
/* rgb */ color: rgb(115, 27, 155);
/* oklch */ color: oklch(43.4% 0.194 311.9);

Tailwind

colors: {
  custom: {
    50: '#a064b9',
    500: '#731b9b',
    950: '#000000',
  },
}

SCSS

$custom: #731b9b;
$custom-light: #a064b9;
$custom-dark: #000000;

JSON

{
  "hex": "#731b9b",
  "rgb": {
    "r": 115,
    "g": 27,
    "b": 155
  },
  "hsl": {
    "h": 281.25,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.43353,
    "c": 0.19362,
    "h": 311.9
  },
  "luminance": 0.06795
}

Semantic roles & 50–950 ramp

primary

#731B9B

secondary

#73C34F

accent

#ED3B72

background

#FAF6FB

surface

#F4EBF6

border

#CEC6D0

text

#0F0612

muted

#7F7A81

Preview Lab

Preview with #731B9B

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

Preview Lab → · Contrast checker → · Palette generator →