#331C8E#331C8E

#331C8E is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.6% C 0.173 H 281.7°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#331C8E
RGB	rgb(51, 28, 142)
HSL	hsl(252, 67%, 33%)
HSV	hsv(252, 80%, 56%)
CMYK	cmyk(64.1%, 80.3%, 0%, 44.3%)
CIE-LAB	lab(21.90, 42.80, -58.59)
CIE-LCH	lch(21.90, 72.56, 306.15°)
OKLab	oklab(34.59% 0.0351 -0.169)
OKLCH	oklch(34.59% 0.173 281.7)
XYZ	xyz(6.6614, 3.4868, 25.9079)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C8E #778E1C

analogous

#1C3E8E #331C8E #6C1C8E

triadic

#331C8E #8E331C #1C8E33

tetradic

#331C8E #8E1C3E #778E1C #1C8E6C

square

#331C8E #8E1C3E #778E1C #1C8E6C

split-complementary

#331C8E #8E6C1C #3E8E1C

monochromatic

#0E0828 #21125B #331C8E #4526C1 #6749DB

Accessibility & contrast

On white

12.37

#331C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#331C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C8E

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C8E	#FFFFFF	#000000	##FFFFFF
##331C8E	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003891

Deuteranopia (green-blind)

#00308C

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #331c8e;
/* rgb */ color: rgb(51, 28, 142);
/* oklch */ color: oklch(34.6% 0.173 281.7);

Tailwind

colors: {
  custom: {
    50: '#785cb0',
    500: '#331c8e',
    950: '#000000',
  },
}

SCSS

$custom: #331c8e;
$custom-light: #785cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#331c8e",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 142
  },
  "hsl": {
    "h": 252.105,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.34587,
    "c": 0.17266,
    "h": 281.7
  },
  "luminance": 0.03487
}

Semantic roles & 50–950 ramp

primary

#331C8E

secondary

#A6BD49

accent

#EA3EC7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #331C8E

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

Preview Lab → · Contrast checker → · Palette generator →