#331D67#331D67

#331D67 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 30.8% C 0.122 H 291.1°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#331D67
RGB	rgb(51, 29, 103)
HSL	hsl(258, 56%, 26%)
HSV	hsv(258, 72%, 40%)
CMYK	cmyk(50.5%, 71.8%, 0%, 59.6%)
CIE-LAB	lab(18.20, 30.10, -39.78)
CIE-LCH	lch(18.20, 49.88, 307.12°)
OKLab	oklab(30.79% 0.0441 -0.114)
OKLCH	oklch(30.79% 0.122 291.1)
XYZ	xyz(4.2521, 2.5617, 13.0997)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D67 #51671D

analogous

#1D2C67 #331D67 #581D67

triadic

#331D67 #67331D #1D6733

tetradic

#331D67 #671D2C #51671D #1D6758

square

#331D67 #671D2C #51671D #1D6758

split-complementary

#331D67 #67581D #2C671D

monochromatic

#0C0718 #1B1037 #331D67 #4B2A97 #6238C7

Accessibility & contrast

On white

13.89

#331D67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#331D67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D67

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D67	#FFFFFF	#000000	##FFFFFF
##331D67	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E69

Deuteranopia (green-blind)

#002B66

Tritanopia (blue-blind)

#222F3F

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #331d67;
/* rgb */ color: rgb(51, 29, 103);
/* oklch */ color: oklch(30.8% 0.122 291.1);

Tailwind

colors: {
  custom: {
    50: '#705b93',
    500: '#331d67',
    950: '#000000',
  },
}

SCSS

$custom: #331d67;
$custom-light: #705b93;
$custom-dark: #000000;

JSON

{
  "hex": "#331d67",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 103
  },
  "hsl": {
    "h": 257.838,
    "s": 56.061,
    "l": 25.882
  },
  "oklch": {
    "l": 0.30791,
    "c": 0.1222,
    "h": 291.1
  },
  "luminance": 0.02562
}

Semantic roles & 50–950 ramp

primary

#331D67

secondary

#829C44

accent

#DF48B2

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331D67

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

Preview Lab → · Contrast checker → · Palette generator →