#731F9B#731F9B

#731F9B is a dark, vivid purple. Relative luminance 0.070; OKLCH L 43.7% C 0.190 H 311.7°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#731F9B
RGB	rgb(115, 31, 155)
HSL	hsl(281, 67%, 36%)
HSV	hsv(281, 80%, 61%)
CMYK	cmyk(25.8%, 80%, 0%, 39.2%)
CIE-LAB	lab(31.79, 54.74, -50.08)
CIE-LCH	lch(31.79, 74.19, 317.54°)
OKLab	oklab(43.67% 0.1263 -0.1419)
OKLCH	oklch(43.67% 0.19 311.7)
XYZ	xyz(13.4755, 6.9917, 31.6437)
Luminance	0.0699 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731F9B #479B1F

analogous

#351F9B #731F9B #9B1F85

triadic

#731F9B #9B731F #1F9B73

tetradic

#731F9B #9B351F #479B1F #1F859B

square

#731F9B #9B351F #479B1F #1F859B

split-complementary

#731F9B #859B1F #1F9B35

monochromatic

#270B35 #4D1568 #731F9B #9929CE #B257DD

Accessibility & contrast

On white

8.76

#731F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#731F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731F9B

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731F9B	#FFFFFF	#000000	##FFFFFF
##731F9B	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479E

Deuteranopia (green-blind)

#004C98

Tritanopia (blue-blind)

#6E3E5D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #731f9b;
/* rgb */ color: rgb(115, 31, 155);
/* oklch */ color: oklch(43.7% 0.190 311.7);

Tailwind

colors: {
  custom: {
    50: '#a065b9',
    500: '#731f9b',
    950: '#000000',
  },
}

SCSS

$custom: #731f9b;
$custom-light: #a065b9;
$custom-dark: #000000;

JSON

{
  "hex": "#731f9b",
  "rgb": {
    "r": 115,
    "g": 31,
    "b": 155
  },
  "hsl": {
    "h": 280.645,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.43669,
    "c": 0.18994,
    "h": 311.7
  },
  "luminance": 0.06991
}

Semantic roles & 50–950 ramp

primary

#731F9B

secondary

#78C155

accent

#EA3E75

background

#FAF6FB

surface

#F4EBF6

border

#CEC6D0

text

#0F0612

muted

#7F7A81

Preview Lab

Preview with #731F9B

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

Preview Lab → · Contrast checker → · Palette generator →