#331C6B#331C6B

#331C6B is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.0% C 0.129 H 290.2°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#331C6B
RGB	rgb(51, 28, 107)
HSL	hsl(257, 59%, 26%)
HSV	hsv(257, 74%, 42%)
CMYK	cmyk(52.3%, 73.8%, 0%, 58%)
CIE-LAB	lab(18.35, 31.94, -42.15)
CIE-LCH	lch(18.35, 52.88, 307.16°)
OKLab	oklab(31.01% 0.0444 -0.1209)
OKLCH	oklch(31.01% 0.129 290.2)
XYZ	xyz(4.4336, 2.5957, 14.1745)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C6B #546B1C

analogous

#1C2D6B #331C6B #5B1C6B

triadic

#331C6B #6B331C #1C6B33

tetradic

#331C6B #6B1C2D #546B1C #1C6B5B

square

#331C6B #6B1C2D #546B1C #1C6B5B

split-complementary

#331C6B #6B5B1C #2D6B1C

monochromatic

#0C0618 #1C0F3A #331C6B #4A299C #6237CB

Accessibility & contrast

On white

13.82

#331C6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#331C6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C6B

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C6B	#FFFFFF	#000000	##FFFFFF
##331C6B	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6D

Deuteranopia (green-blind)

#002B69

Tritanopia (blue-blind)

#203041

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331c6b;
/* rgb */ color: rgb(51, 28, 107);
/* oklch */ color: oklch(31.0% 0.129 290.2);

Tailwind

colors: {
  custom: {
    50: '#715a96',
    500: '#331c6b',
    950: '#000000',
  },
}

SCSS

$custom: #331c6b;
$custom-light: #715a96;
$custom-dark: #000000;

JSON

{
  "hex": "#331c6b",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 107
  },
  "hsl": {
    "h": 257.468,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.31012,
    "c": 0.12882,
    "h": 290.2
  },
  "luminance": 0.02596
}

Semantic roles & 50–950 ramp

primary

#331C6B

secondary

#85A043

accent

#E246B4

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331C6B

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

Preview Lab → · Contrast checker → · Palette generator →