#331F6E#331F6E

#331F6E is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.8% C 0.129 H 288.4°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#331F6E
RGB	rgb(51, 31, 110)
HSL	hsl(255, 56%, 28%)
HSV	hsv(255, 72%, 43%)
CMYK	cmyk(53.6%, 71.8%, 0%, 56.9%)
CIE-LAB	lab(19.26, 31.12, -42.60)
CIE-LCH	lch(19.26, 52.75, 306.15°)
OKLab	oklab(31.75% 0.0407 -0.1223)
OKLCH	oklch(31.75% 0.129 288.4)
XYZ	xyz(4.6689, 2.8094, 15.0451)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F6E #5A6E1F

analogous

#1F326E #331F6E #5A1F6E

triadic

#331F6E #6E331F #1F6E33

tetradic

#331F6E #6E1F32 #5A6E1F #1F6E5A

square

#331F6E #6E1F32 #5A6E1F #1F6E5A

split-complementary

#331F6E #6E5A1F #326E1F

monochromatic

#0B0718 #1D123E #331F6E #492C9E #623FC9

Accessibility & contrast

On white

13.44

#331F6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#331F6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F6E

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F6E	#FFFFFF	#000000	##FFFFFF
##331F6E	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003070

Deuteranopia (green-blind)

#002D6C

Tritanopia (blue-blind)

#1E3344

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #331f6e;
/* rgb */ color: rgb(51, 31, 110);
/* oklch */ color: oklch(31.8% 0.129 288.4);

Tailwind

colors: {
  custom: {
    50: '#715c98',
    500: '#331f6e',
    950: '#000000',
  },
}

SCSS

$custom: #331f6e;
$custom-light: #715c98;
$custom-dark: #000000;

JSON

{
  "hex": "#331f6e",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 110
  },
  "hsl": {
    "h": 255.19,
    "s": 56.028,
    "l": 27.647
  },
  "oklch": {
    "l": 0.31753,
    "c": 0.12888,
    "h": 288.4
  },
  "luminance": 0.0281
}

Semantic roles & 50–950 ramp

primary

#331F6E

secondary

#8BA247

accent

#DF48B9

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331F6E

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

Preview Lab → · Contrast checker → · Palette generator →