#331D6A#331D6A

#331D6A is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.1% C 0.126 H 290.2°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#331D6A
RGB	rgb(51, 29, 106)
HSL	hsl(257, 57%, 26%)
HSV	hsv(257, 73%, 42%)
CMYK	cmyk(51.9%, 72.6%, 0%, 58.4%)
CIE-LAB	lab(18.47, 31.04, -41.30)
CIE-LCH	lch(18.47, 51.66, 306.93°)
OKLab	oklab(31.07% 0.0436 -0.1184)
OKLCH	oklch(31.07% 0.126 290.2)
XYZ	xyz(4.4054, 2.6230, 13.9070)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D6A #546A1D

analogous

#1D2E6A #331D6A #5A1D6A

triadic

#331D6A #6A331D #1D6A33

tetradic

#331D6A #6A1D2E #546A1D #1D6A5A

square

#331D6A #6A1D2E #546A1D #1D6A5A

split-complementary

#331D6A #6A5A1D #2E6A1D

monochromatic

#0C0718 #1C103A #331D6A #4A2A9A #6239C9

Accessibility & contrast

On white

13.77

#331D6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#331D6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D6A

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D6A	#FFFFFF	#000000	##FFFFFF
##331D6A	1.00	13.77	1.52	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6C

Deuteranopia (green-blind)

#002B68

Tritanopia (blue-blind)

#213041

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331d6a;
/* rgb */ color: rgb(51, 29, 106);
/* oklch */ color: oklch(31.1% 0.126 290.2);

Tailwind

colors: {
  custom: {
    50: '#715b95',
    500: '#331d6a',
    950: '#000000',
  },
}

SCSS

$custom: #331d6a;
$custom-light: #715b95;
$custom-dark: #000000;

JSON

{
  "hex": "#331d6a",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 106
  },
  "hsl": {
    "h": 257.143,
    "s": 57.037,
    "l": 26.471
  },
  "oklch": {
    "l": 0.31069,
    "c": 0.12619,
    "h": 290.2
  },
  "luminance": 0.02623
}

Semantic roles & 50–950 ramp

primary

#331D6A

secondary

#859F44

accent

#E048B5

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331D6A

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

Preview Lab → · Contrast checker → · Palette generator →