#331E6C#331E6C

#331E6C is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.4% C 0.128 H 289.3°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#331E6C
RGB	rgb(51, 30, 108)
HSL	hsl(256, 57%, 27%)
HSV	hsv(256, 72%, 42%)
CMYK	cmyk(52.8%, 72.2%, 0%, 57.6%)
CIE-LAB	lab(18.86, 31.08, -41.95)
CIE-LCH	lch(18.86, 52.21, 306.53°)
OKLab	oklab(31.41% 0.0421 -0.1204)
OKLCH	oklch(31.41% 0.128 289.3)
XYZ	xyz(4.5355, 2.7149, 14.4695)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331E6C #576C1E

analogous

#1E306C #331E6C #5A1E6C

triadic

#331E6C #6C331E #1E6C33

tetradic

#331E6C #6C1E30 #576C1E #1E6C5A

square

#331E6C #6C1E30 #576C1E #1E6C5A

split-complementary

#331E6C #6C5A1E #306C1E

monochromatic

#0B0718 #1C113C #331E6C #4A2B9C #623CC9

Accessibility & contrast

On white

13.61

#331E6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#331E6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331E6C

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331E6C	#FFFFFF	#000000	##FFFFFF
##331E6C	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6E

Deuteranopia (green-blind)

#002C6A

Tritanopia (blue-blind)

#1F3242

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331e6c;
/* rgb */ color: rgb(51, 30, 108);
/* oklch */ color: oklch(31.4% 0.128 289.3);

Tailwind

colors: {
  custom: {
    50: '#715b97',
    500: '#331e6c',
    950: '#000000',
  },
}

SCSS

$custom: #331e6c;
$custom-light: #715b97;
$custom-dark: #000000;

JSON

{
  "hex": "#331e6c",
  "rgb": {
    "r": 51,
    "g": 30,
    "b": 108
  },
  "hsl": {
    "h": 256.154,
    "s": 56.522,
    "l": 27.059
  },
  "oklch": {
    "l": 0.3141,
    "c": 0.12752,
    "h": 289.3
  },
  "luminance": 0.02715
}

Semantic roles & 50–950 ramp

primary

#331E6C

secondary

#88A045

accent

#E048B7

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331E6C

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

Preview Lab → · Contrast checker → · Palette generator →