#331C6D#331C6D

#331C6D is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.2% C 0.131 H 289.5°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#331C6D
RGB	rgb(51, 28, 109)
HSL	hsl(257, 59%, 27%)
HSV	hsv(257, 74%, 43%)
CMYK	cmyk(53.2%, 74.3%, 0%, 57.3%)
CIE-LAB	lab(18.53, 32.57, -43.14)
CIE-LCH	lch(18.53, 54.06, 307.05°)
OKLab	oklab(31.2% 0.044 -0.1238)
OKLCH	oklch(31.2% 0.131 289.5)
XYZ	xyz(4.5400, 2.6382, 14.7350)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C6D #566D1C

analogous

#1C2E6D #331C6D #5C1C6D

triadic

#331C6D #6D331C #1C6D33

tetradic

#331C6D #6D1C2E #566D1C #1C6D5C

square

#331C6D #6D1C2E #566D1C #1C6D5C

split-complementary

#331C6D #6D5C1C #2E6D1C

monochromatic

#0B0618 #1C0F3C #331C6D #4A299E #6238CC

Accessibility & contrast

On white

13.75

#331C6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#331C6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C6D

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C6D	#FFFFFF	#000000	##FFFFFF
##331C6D	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6F

Deuteranopia (green-blind)

#002B6B

Tritanopia (blue-blind)

#1E3142

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331c6d;
/* rgb */ color: rgb(51, 28, 109);
/* oklch */ color: oklch(31.2% 0.131 289.5);

Tailwind

colors: {
  custom: {
    50: '#715a98',
    500: '#331c6d',
    950: '#000000',
  },
}

SCSS

$custom: #331c6d;
$custom-light: #715a98;
$custom-dark: #000000;

JSON

{
  "hex": "#331c6d",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 109
  },
  "hsl": {
    "h": 257.037,
    "s": 59.124,
    "l": 26.863
  },
  "oklch": {
    "l": 0.31203,
    "c": 0.13142,
    "h": 289.5
  },
  "luminance": 0.02638
}

Semantic roles & 50–950 ramp

primary

#331C6D

secondary

#87A243

accent

#E245B6

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331C6D

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

Preview Lab → · Contrast checker → · Palette generator →