#331571#331571

#331571 is a dark, vivid violet. Relative luminance 0.024; OKLCH L 30.7% C 0.144 H 289.9°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#331571
RGB	rgb(51, 21, 113)
HSL	hsl(260, 69%, 26%)
HSV	hsv(260, 81%, 44%)
CMYK	cmyk(54.9%, 81.4%, 0%, 55.7%)
CIE-LAB	lab(17.61, 37.52, -47.25)
CIE-LCH	lch(17.61, 60.34, 308.45°)
OKLab	oklab(30.67% 0.0491 -0.1358)
OKLCH	oklch(30.67% 0.144 289.9)
XYZ	xyz(4.6132, 2.4322, 15.8460)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 5.56

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331571 #537115

analogous

#152571 #331571 #611571

triadic

#331571 #713315 #157133

tetradic

#331571 #711525 #537115 #157161

square

#331571 #711525 #537115 #157161

split-complementary

#331571 #716115 #257115

monochromatic

#0C051A #1C0B3D #331571 #4A1FA5 #6229D7

Accessibility & contrast

On white

14.13

#331571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#331571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331571

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331571	#FFFFFF	#000000	##FFFFFF
##331571	1.00	14.13	1.49	14.13
#FFFFFF	14.13	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D74

Deuteranopia (green-blind)

#00296F

Tritanopia (blue-blind)

#1C2F43

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #331571;
/* rgb */ color: rgb(51, 21, 113);
/* oklch */ color: oklch(30.7% 0.144 289.9);

Tailwind

colors: {
  custom: {
    50: '#73579b',
    500: '#331571',
    950: '#000000',
  },
}

SCSS

$custom: #331571;
$custom-light: #73579b;
$custom-dark: #000000;

JSON

{
  "hex": "#331571",
  "rgb": {
    "r": 51,
    "g": 21,
    "b": 113
  },
  "hsl": {
    "h": 259.565,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.30673,
    "c": 0.14445,
    "h": 289.9
  },
  "luminance": 0.02432
}

Semantic roles & 50–950 ramp

primary

#331571

secondary

#84A73B

accent

#EB3CB2

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09030E

muted

#7B787E

Preview Lab

Preview with #331571

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

Preview Lab → · Contrast checker → · Palette generator →