#331D69#331D69

#331D69 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.0% C 0.125 H 290.5°. Best body text is #FFFFFF at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#331D69
RGB	rgb(51, 29, 105)
HSL	hsl(257, 57%, 26%)
HSV	hsv(257, 72%, 41%)
CMYK	cmyk(51.4%, 72.4%, 0%, 58.8%)
CIE-LAB	lab(18.38, 30.73, -40.79)
CIE-LCH	lch(18.38, 51.07, 306.99°)
OKLab	oklab(30.98% 0.0437 -0.117)
OKLCH	oklch(30.98% 0.125 290.5)
XYZ	xyz(4.3537, 2.6023, 13.6348)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D69 #53691D

analogous

#1D2D69 #331D69 #591D69

triadic

#331D69 #69331D #1D6933

tetradic

#331D69 #691D2D #53691D #1D6959

square

#331D69 #691D2D #53691D #1D6959

split-complementary

#331D69 #69591D #2D691D

monochromatic

#0C0718 #1C1039 #331D69 #4A2A99 #6238C8

Accessibility & contrast

On white

13.81

#331D69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#331D69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D69

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D69	#FFFFFF	#000000	##FFFFFF
##331D69	1.00	13.81	1.52	13.81
#FFFFFF	13.81	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6B

Deuteranopia (green-blind)

#002B67

Tritanopia (blue-blind)

#213040

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331d69;
/* rgb */ color: rgb(51, 29, 105);
/* oklch */ color: oklch(31.0% 0.125 290.5);

Tailwind

colors: {
  custom: {
    50: '#715b95',
    500: '#331d69',
    950: '#000000',
  },
}

SCSS

$custom: #331d69;
$custom-light: #715b95;
$custom-dark: #000000;

JSON

{
  "hex": "#331d69",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 105
  },
  "hsl": {
    "h": 257.368,
    "s": 56.716,
    "l": 26.275
  },
  "oklch": {
    "l": 0.30976,
    "c": 0.12487,
    "h": 290.5
  },
  "luminance": 0.02602
}

Semantic roles & 50–950 ramp

primary

#331D69

secondary

#849E44

accent

#E048B4

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331D69

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

Preview Lab → · Contrast checker → · Palette generator →