#331C6A#331C6A

#331C6A is a dark, vivid violet. Relative luminance 0.026; OKLCH L 30.9% C 0.128 H 290.5°. Best body text is #FFFFFF at 13.86:1 contrast (WCAG AA passes).

Color values

HEX	#331C6A
RGB	rgb(51, 28, 106)
HSL	hsl(258, 58%, 26%)
HSV	hsv(258, 74%, 42%)
CMYK	cmyk(51.9%, 73.6%, 0%, 58.4%)
CIE-LAB	lab(18.25, 31.63, -41.64)
CIE-LCH	lch(18.25, 52.30, 307.22°)
OKLab	oklab(30.92% 0.0446 -0.1195)
OKLCH	oklch(30.92% 0.128 290.5)
XYZ	xyz(4.3813, 2.5747, 13.8990)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C6A #536A1C

analogous

#1C2C6A #331C6A #5A1C6A

triadic

#331C6A #6A331C #1C6A33

tetradic

#331C6A #6A1C2C #536A1C #1C6A5A

square

#331C6A #6A1C2C #536A1C #1C6A5A

split-complementary

#331C6A #6A5A1C #2C6A1C

monochromatic

#0C0618 #1C0F3A #331C6A #4A299A #6236CA

Accessibility & contrast

On white

13.86

#331C6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#331C6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C6A

13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C6A	#FFFFFF	#000000	##FFFFFF
##331C6A	1.00	13.86	1.52	13.86
#FFFFFF	13.86	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6C

Deuteranopia (green-blind)

#002B68

Tritanopia (blue-blind)

#213040

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331c6a;
/* rgb */ color: rgb(51, 28, 106);
/* oklch */ color: oklch(30.9% 0.128 290.5);

Tailwind

colors: {
  custom: {
    50: '#715a95',
    500: '#331c6a',
    950: '#000000',
  },
}

SCSS

$custom: #331c6a;
$custom-light: #715a95;
$custom-dark: #000000;

JSON

{
  "hex": "#331c6a",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 106
  },
  "hsl": {
    "h": 257.692,
    "s": 58.209,
    "l": 26.275
  },
  "oklch": {
    "l": 0.30917,
    "c": 0.12751,
    "h": 290.5
  },
  "luminance": 0.02575
}

Semantic roles & 50–950 ramp

primary

#331C6A

secondary

#849F43

accent

#E146B4

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331C6A

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

Preview Lab → · Contrast checker → · Palette generator →