#331D7E#331D7E

#331D7E is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.0% C 0.152 H 284.9°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#331D7E
RGB	rgb(51, 29, 126)
HSL	hsl(254, 63%, 30%)
HSV	hsv(254, 77%, 49%)
CMYK	cmyk(59.5%, 77%, 0%, 50.6%)
CIE-LAB	lab(20.40, 37.33, -51.01)
CIE-LCH	lch(20.40, 63.21, 306.20°)
OKLab	oklab(33.03% 0.039 -0.1469)
OKLCH	oklch(33.03% 0.152 284.9)
XYZ	xyz(5.5694, 3.0886, 20.0373)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D7E #687E1D

analogous

#1D377E #331D7E #631D7E

triadic

#331D7E #7E331D #1D7E33

tetradic

#331D7E #7E1D37 #687E1D #1D7E63

square

#331D7E #7E1D37 #687E1D #1D7E63

split-complementary

#331D7E #7E631D #377E1D

monochromatic

#0B061B #1F124C #331D7E #4728B0 #6342D3

Accessibility & contrast

On white

12.98

#331D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#331D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D7E

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D7E	#FFFFFF	#000000	##FFFFFF
##331D7E	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#002E7C

Tritanopia (blue-blind)

#0B384C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #331d7e;
/* rgb */ color: rgb(51, 29, 126);
/* oklch */ color: oklch(33.0% 0.152 284.9);

Tailwind

colors: {
  custom: {
    50: '#745ca4',
    500: '#331d7e',
    950: '#000000',
  },
}

SCSS

$custom: #331d7e;
$custom-light: #745ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#331d7e",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 126
  },
  "hsl": {
    "h": 253.608,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.3303,
    "c": 0.15199,
    "h": 284.9
  },
  "luminance": 0.03089
}

Semantic roles & 50–950 ramp

primary

#331D7E

secondary

#99B145

accent

#E642C1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331D7E

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

Preview Lab → · Contrast checker → · Palette generator →