#331C8C#331C8C

#331C8C is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.4% C 0.170 H 282.1°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#331C8C
RGB	rgb(51, 28, 140)
HSL	hsl(252, 67%, 33%)
HSV	hsv(252, 80%, 55%)
CMYK	cmyk(63.6%, 80%, 0%, 45.1%)
CIE-LAB	lab(21.68, 42.19, -57.71)
CIE-LCH	lch(21.68, 71.48, 306.17°)
OKLab	oklab(34.37% 0.0357 -0.1665)
OKLCH	oklch(34.37% 0.17 282.1)
XYZ	xyz(6.5126, 3.4273, 25.1242)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C8C #758C1C

analogous

#1C3D8C #331C8C #6B1C8C

triadic

#331C8C #8C331C #1C8C33

tetradic

#331C8C #8C1C3D #758C1C #1C8C6B

square

#331C8C #8C1C3D #758C1C #1C8C6B

split-complementary

#331C8C #8C6B1C #3D8C1C

monochromatic

#0E0826 #201259 #331C8C #4626BF #6648DA

Accessibility & contrast

On white

12.46

#331C8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#331C8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C8C

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C8C	#FFFFFF	#000000	##FFFFFF
##331C8C	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388F

Deuteranopia (green-blind)

#00308A

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #331c8c;
/* rgb */ color: rgb(51, 28, 140);
/* oklch */ color: oklch(34.4% 0.170 282.1);

Tailwind

colors: {
  custom: {
    50: '#775caf',
    500: '#331c8c',
    950: '#000000',
  },
}

SCSS

$custom: #331c8c;
$custom-light: #775caf;
$custom-dark: #000000;

JSON

{
  "hex": "#331c8c",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 140
  },
  "hsl": {
    "h": 252.321,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34371,
    "c": 0.17025,
    "h": 282.1
  },
  "luminance": 0.03428
}

Semantic roles & 50–950 ramp

primary

#331C8C

secondary

#A4BC48

accent

#EA3EC6

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #331C8C

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

Preview Lab → · Contrast checker → · Palette generator →