#331066#331066

#331066 is a dark, vivid violet. Relative luminance 0.020; OKLCH L 29.0% C 0.136 H 294.6°. Best body text is #FFFFFF at 14.93:1 contrast (WCAG AA passes).

Color values

HEX	#331066
RGB	rgb(51, 16, 102)
HSL	hsl(264, 73%, 23%)
HSV	hsv(264, 84%, 40%)
CMYK	cmyk(50%, 84.3%, 0%, 60%)
CIE-LAB	lab(15.66, 36.69, -43.26)
CIE-LCH	lch(15.66, 56.72, 310.30°)
OKLab	oklab(28.97% 0.0568 -0.1241)
OKLCH	oklch(28.97% 0.136 294.6)
XYZ	xyz(3.9481, 2.0336, 12.7523)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.10

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331066 #436610

analogous

#101866 #331066 #5E1066

triadic

#331066 #663310 #106633

tetradic

#331066 #661018 #436610 #10665E

square

#331066 #661018 #436610 #10665E

split-complementary

#331066 #665E10 #186610

monochromatic

#0D041A #190831 #331066 #4D189B #6821D0

Accessibility & contrast

On white

14.93

#331066 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#331066 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331066

14.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331066	#FFFFFF	#000000	##FFFFFF
##331066	1.00	14.93	1.41	14.93
#FFFFFF	14.93	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002868

Deuteranopia (green-blind)

#002664

Tritanopia (blue-blind)

#24293B

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #331066;
/* rgb */ color: rgb(51, 16, 102);
/* oklch */ color: oklch(29.0% 0.136 294.6);

Tailwind

colors: {
  custom: {
    50: '#715392',
    500: '#331066',
    950: '#000000',
  },
}

SCSS

$custom: #331066;
$custom-light: #715392;
$custom-dark: #000000;

JSON

{
  "hex": "#331066",
  "rgb": {
    "r": 51,
    "g": 16,
    "b": 102
  },
  "hsl": {
    "h": 264.419,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.28974,
    "c": 0.13649,
    "h": 294.6
  },
  "luminance": 0.02034
}

Semantic roles & 50–950 ramp

primary

#331066

secondary

#739E33

accent

#F038A5

background

#F7F4F9

surface

#EDE8F1

border

#C8C4CB

text

#08030D

muted

#7B787E

Preview Lab

Preview with #331066

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

Preview Lab → · Contrast checker → · Palette generator →