#331F6C#331F6C

#331F6C is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.6% C 0.126 H 289.0°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#331F6C
RGB	rgb(51, 31, 108)
HSL	hsl(256, 55%, 27%)
HSV	hsv(256, 71%, 42%)
CMYK	cmyk(52.8%, 71.3%, 0%, 57.6%)
CIE-LAB	lab(19.08, 30.48, -41.59)
CIE-LCH	lch(19.08, 51.57, 306.23°)
OKLab	oklab(31.57% 0.0411 -0.1193)
OKLCH	oklch(31.57% 0.126 289)
XYZ	xyz(4.5612, 2.7663, 14.4781)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.23

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F6C #586C1F

analogous

#1F326C #331F6C #591F6C

triadic

#331F6C #6C331F #1F6C33

tetradic

#331F6C #6C1F32 #586C1F #1F6C59

square

#331F6C #6C1F32 #586C1F #1F6C59

split-complementary

#331F6C #6C591F #326C1F

monochromatic

#0B0718 #1D113C #331F6C #492D9C #623EC8

Accessibility & contrast

On white

13.52

#331F6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#331F6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F6C

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F6C	#FFFFFF	#000000	##FFFFFF
##331F6C	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306E

Deuteranopia (green-blind)

#002C6A

Tritanopia (blue-blind)

#1F3242

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331f6c;
/* rgb */ color: rgb(51, 31, 108);
/* oklch */ color: oklch(31.6% 0.126 289.0);

Tailwind

colors: {
  custom: {
    50: '#715c97',
    500: '#331f6c',
    950: '#000000',
  },
}

SCSS

$custom: #331f6c;
$custom-light: #715c97;
$custom-dark: #000000;

JSON

{
  "hex": "#331f6c",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 108
  },
  "hsl": {
    "h": 255.584,
    "s": 55.396,
    "l": 27.255
  },
  "oklch": {
    "l": 0.31567,
    "c": 0.1262,
    "h": 289
  },
  "luminance": 0.02766
}

Semantic roles & 50–950 ramp

primary

#331F6C

secondary

#89A047

accent

#DF49B8

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331F6C

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

Preview Lab → · Contrast checker → · Palette generator →