#331E6B#331E6B

#331E6B is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.3% C 0.126 H 289.6°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#331E6B
RGB	rgb(51, 30, 107)
HSL	hsl(256, 56%, 27%)
HSV	hsv(256, 72%, 42%)
CMYK	cmyk(52.3%, 72%, 0%, 58%)
CIE-LAB	lab(18.77, 30.77, -41.45)
CIE-LCH	lch(18.77, 51.62, 306.58°)
OKLab	oklab(31.32% 0.0423 -0.1189)
OKLCH	oklch(31.32% 0.126 289.6)
XYZ	xyz(4.4826, 2.6937, 14.1908)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331E6B #566B1E

analogous

#1E306B #331E6B #5A1E6B

triadic

#331E6B #6B331E #1E6B33

tetradic

#331E6B #6B1E30 #566B1E #1E6B5A

square

#331E6B #6B1E30 #566B1E #1E6B5A

split-complementary

#331E6B #6B5A1E #306B1E

monochromatic

#0B0718 #1C113B #331E6B #4A2B9B #623BC8

Accessibility & contrast

On white

13.65

#331E6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#331E6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331E6B

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331E6B	#FFFFFF	#000000	##FFFFFF
##331E6B	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6D

Deuteranopia (green-blind)

#002C69

Tritanopia (blue-blind)

#203142

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331e6b;
/* rgb */ color: rgb(51, 30, 107);
/* oklch */ color: oklch(31.3% 0.126 289.6);

Tailwind

colors: {
  custom: {
    50: '#715b96',
    500: '#331e6b',
    950: '#000000',
  },
}

SCSS

$custom: #331e6b;
$custom-light: #715b96;
$custom-dark: #000000;

JSON

{
  "hex": "#331e6b",
  "rgb": {
    "r": 51,
    "g": 30,
    "b": 107
  },
  "hsl": {
    "h": 256.364,
    "s": 56.204,
    "l": 26.863
  },
  "oklch": {
    "l": 0.31317,
    "c": 0.1262,
    "h": 289.6
  },
  "luminance": 0.02694
}

Semantic roles & 50–950 ramp

primary

#331E6B

secondary

#879F45

accent

#DF48B6

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331E6B

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

Preview Lab → · Contrast checker → · Palette generator →