#331D8C#331D8C

#331D8C is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.5% C 0.169 H 282.0°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#331D8C
RGB	rgb(51, 29, 140)
HSL	hsl(252, 66%, 33%)
HSV	hsv(252, 79%, 55%)
CMYK	cmyk(63.6%, 79.3%, 0%, 45.1%)
CIE-LAB	lab(21.86, 41.68, -57.42)
CIE-LCH	lch(21.86, 70.95, 305.98°)
OKLab	oklab(34.49% 0.0351 -0.1656)
OKLCH	oklch(34.49% 0.169 282)
XYZ	xyz(6.5367, 3.4755, 25.1322)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D8C #768C1D

analogous

#1D3E8C #331D8C #6A1D8C

triadic

#331D8C #8C331D #1D8C33

tetradic

#331D8C #8C1D3E #768C1D #1D8C6A

square

#331D8C #8C1D3E #768C1D #1D8C6A

split-complementary

#331D8C #8C6A1D #3E8C1D

monochromatic

#0E0827 #211259 #331D8C #4528BF #664AD9

Accessibility & contrast

On white

12.39

#331D8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#331D8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D8C

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D8C	#FFFFFF	#000000	##FFFFFF
##331D8C	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388F

Deuteranopia (green-blind)

#00308A

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #331d8c;
/* rgb */ color: rgb(51, 29, 140);
/* oklch */ color: oklch(34.5% 0.169 282.0);

Tailwind

colors: {
  custom: {
    50: '#775daf',
    500: '#331d8c',
    950: '#000000',
  },
}

SCSS

$custom: #331d8c;
$custom-light: #775daf;
$custom-dark: #000000;

JSON

{
  "hex": "#331d8c",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 140
  },
  "hsl": {
    "h": 251.892,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34494,
    "c": 0.16929,
    "h": 282
  },
  "luminance": 0.03476
}

Semantic roles & 50–950 ramp

primary

#331D8C

secondary

#A5BC49

accent

#E93FC7

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #331D8C

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

Preview Lab → · Contrast checker → · Palette generator →