#331D6D#331D6D

#331D6D is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.4% C 0.130 H 289.3°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#331D6D
RGB	rgb(51, 29, 109)
HSL	hsl(257, 58%, 27%)
HSV	hsv(257, 73%, 43%)
CMYK	cmyk(53.2%, 73.4%, 0%, 57.3%)
CIE-LAB	lab(18.74, 31.99, -42.80)
CIE-LCH	lch(18.74, 53.43, 306.77°)
OKLab	oklab(31.35% 0.043 -0.1229)
OKLCH	oklch(31.35% 0.13 289.3)
XYZ	xyz(4.5641, 2.6865, 14.7431)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D6D #576D1D

analogous

#1D2F6D #331D6D #5B1D6D

triadic

#331D6D #6D331D #1D6D33

tetradic

#331D6D #6D1D2F #576D1D #1D6D5B

square

#331D6D #6D1D2F #576D1D #1D6D5B

split-complementary

#331D6D #6D5B1D #2F6D1D

monochromatic

#0B0618 #1C103D #331D6D #4A2A9D #623ACB

Accessibility & contrast

On white

13.66

#331D6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#331D6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D6D

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D6D	#FFFFFF	#000000	##FFFFFF
##331D6D	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6F

Deuteranopia (green-blind)

#002C6B

Tritanopia (blue-blind)

#1E3242

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331d6d;
/* rgb */ color: rgb(51, 29, 109);
/* oklch */ color: oklch(31.4% 0.130 289.3);

Tailwind

colors: {
  custom: {
    50: '#715b98',
    500: '#331d6d',
    950: '#000000',
  },
}

SCSS

$custom: #331d6d;
$custom-light: #715b98;
$custom-dark: #000000;

JSON

{
  "hex": "#331d6d",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 109
  },
  "hsl": {
    "h": 256.5,
    "s": 57.971,
    "l": 27.059
  },
  "oklch": {
    "l": 0.31352,
    "c": 0.13016,
    "h": 289.3
  },
  "luminance": 0.02687
}

Semantic roles & 50–950 ramp

primary

#331D6D

secondary

#88A244

accent

#E147B7

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331D6D

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

Preview Lab → · Contrast checker → · Palette generator →