#331E6D#331E6D

#331E6D is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.5% C 0.129 H 289.0°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#331E6D
RGB	rgb(51, 30, 109)
HSL	hsl(256, 57%, 27%)
HSV	hsv(256, 72%, 43%)
CMYK	cmyk(53.2%, 72.5%, 0%, 57.3%)
CIE-LAB	lab(18.96, 31.40, -42.45)
CIE-LCH	lch(18.96, 52.80, 306.49°)
OKLab	oklab(31.5% 0.042 -0.1218)
OKLCH	oklch(31.5% 0.129 289)
XYZ	xyz(4.5890, 2.7363, 14.7514)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331E6D #586D1E

analogous

#1E316D #331E6D #5B1E6D

triadic

#331E6D #6D331E #1E6D33

tetradic

#331E6D #6D1E31 #586D1E #1E6D5B

square

#331E6D #6D1E31 #586D1E #1E6D5B

split-complementary

#331E6D #6D5B1E #316D1E

monochromatic

#0B0718 #1D113D #331E6D #492B9D #623CC9

Accessibility & contrast

On white

13.57

#331E6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#331E6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331E6D

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331E6D	#FFFFFF	#000000	##FFFFFF
##331E6D	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306F

Deuteranopia (green-blind)

#002C6B

Tritanopia (blue-blind)

#1E3243

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331e6d;
/* rgb */ color: rgb(51, 30, 109);
/* oklch */ color: oklch(31.5% 0.129 289.0);

Tailwind

colors: {
  custom: {
    50: '#715b98',
    500: '#331e6d',
    950: '#000000',
  },
}

SCSS

$custom: #331e6d;
$custom-light: #715b98;
$custom-dark: #000000;

JSON

{
  "hex": "#331e6d",
  "rgb": {
    "r": 51,
    "g": 30,
    "b": 109
  },
  "hsl": {
    "h": 255.949,
    "s": 56.835,
    "l": 27.255
  },
  "oklch": {
    "l": 0.31504,
    "c": 0.12886,
    "h": 289
  },
  "luminance": 0.02736
}

Semantic roles & 50–950 ramp

primary

#331E6D

secondary

#89A145

accent

#E048B8

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331E6D

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

Preview Lab → · Contrast checker → · Palette generator →