#331C6C#331C6C

#331C6C is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.1% C 0.130 H 289.8°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#331C6C
RGB	rgb(51, 28, 108)
HSL	hsl(257, 59%, 27%)
HSV	hsv(257, 74%, 42%)
CMYK	cmyk(52.8%, 74.1%, 0%, 57.6%)
CIE-LAB	lab(18.44, 32.26, -42.65)
CIE-LCH	lch(18.44, 53.47, 307.10°)
OKLab	oklab(31.11% 0.0442 -0.1224)
OKLCH	oklch(31.11% 0.13 289.8)
XYZ	xyz(4.4865, 2.6168, 14.4532)
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

#331C6C #556C1C

analogous

#1C2D6C #331C6C #5B1C6C

triadic

#331C6C #6C331C #1C6C33

tetradic

#331C6C #6C1C2D #556C1C #1C6C5B

square

#331C6C #6C1C2D #556C1C #1C6C5B

split-complementary

#331C6C #6C5B1C #2D6C1C

monochromatic

#0B0618 #1C0F3B #331C6C #4A299D #6237CB

Accessibility & contrast

On white

13.78

#331C6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#331C6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C6C

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C6C	#FFFFFF	#000000	##FFFFFF
##331C6C	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6E

Deuteranopia (green-blind)

#002B6A

Tritanopia (blue-blind)

#1F3142

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331c6c;
/* rgb */ color: rgb(51, 28, 108);
/* oklch */ color: oklch(31.1% 0.130 289.8);

Tailwind

colors: {
  custom: {
    50: '#715a97',
    500: '#331c6c',
    950: '#000000',
  },
}

SCSS

$custom: #331c6c;
$custom-light: #715a97;
$custom-dark: #000000;

JSON

{
  "hex": "#331c6c",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 108
  },
  "hsl": {
    "h": 257.25,
    "s": 58.824,
    "l": 26.667
  },
  "oklch": {
    "l": 0.31107,
    "c": 0.13012,
    "h": 289.8
  },
  "luminance": 0.02617
}

Semantic roles & 50–950 ramp

primary

#331C6C

secondary

#86A143

accent

#E246B5

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331C6C

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

Preview Lab → · Contrast checker → · Palette generator →