#331D7F#331D7F

#331D7F is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.1% C 0.153 H 284.6°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#331D7F
RGB	rgb(51, 29, 127)
HSL	hsl(253, 63%, 31%)
HSV	hsv(253, 77%, 50%)
CMYK	cmyk(59.8%, 77.2%, 0%, 50.2%)
CIE-LAB	lab(20.50, 37.64, -51.48)
CIE-LCH	lch(20.50, 63.77, 306.18°)
OKLab	oklab(33.13% 0.0387 -0.1483)
OKLCH	oklch(33.13% 0.153 284.6)
XYZ	xyz(5.6342, 3.1145, 20.3788)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D7F #697F1D

analogous

#1D387F #331D7F #641D7F

triadic

#331D7F #7F331D #1D7F33

tetradic

#331D7F #7F1D38 #697F1D #1D7F64

square

#331D7F #7F1D38 #697F1D #1D7F64

split-complementary

#331D7F #7F641D #387F1D

monochromatic

#0B061B #1F124D #331D7F #4728B1 #6342D4

Accessibility & contrast

On white

12.94

#331D7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#331D7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D7F

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D7F	#FFFFFF	#000000	##FFFFFF
##331D7F	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003482

Deuteranopia (green-blind)

#002E7D

Tritanopia (blue-blind)

#09384C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #331d7f;
/* rgb */ color: rgb(51, 29, 127);
/* oklch */ color: oklch(33.1% 0.153 284.6);

Tailwind

colors: {
  custom: {
    50: '#755ca5',
    500: '#331d7f',
    950: '#000000',
  },
}

SCSS

$custom: #331d7f;
$custom-light: #755ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#331d7f",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 127
  },
  "hsl": {
    "h": 253.469,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33132,
    "c": 0.15325,
    "h": 284.6
  },
  "luminance": 0.03115
}

Semantic roles & 50–950 ramp

primary

#331D7F

secondary

#9AB245

accent

#E642C1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331D7F

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

Preview Lab → · Contrast checker → · Palette generator →