#331F69#331F69

#331F69 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.3% C 0.122 H 289.9°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#331F69
RGB	rgb(51, 31, 105)
HSL	hsl(256, 54%, 27%)
HSV	hsv(256, 70%, 41%)
CMYK	cmyk(51.4%, 70.5%, 0%, 58.8%)
CIE-LAB	lab(18.82, 29.53, -40.07)
CIE-LCH	lch(18.82, 49.78, 306.38°)
OKLab	oklab(31.29% 0.0416 -0.1148)
OKLCH	oklch(31.29% 0.122 289.9)
XYZ	xyz(4.4043, 2.7035, 13.6516)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F69 #55691F

analogous

#1F3069 #331F69 #581F69

triadic

#331F69 #69331F #1F6933

tetradic

#331F69 #691F30 #55691F #1F6958

square

#331F69 #691F30 #55691F #1F6958

split-complementary

#331F69 #69581F #30691F

monochromatic

#0B0718 #1C113A #331F69 #4A2D98 #623DC6

Accessibility & contrast

On white

13.63

#331F69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#331F69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F69

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F69	#FFFFFF	#000000	##FFFFFF
##331F69	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6B

Deuteranopia (green-blind)

#002C68

Tritanopia (blue-blind)

#213141

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331f69;
/* rgb */ color: rgb(51, 31, 105);
/* oklch */ color: oklch(31.3% 0.122 289.9);

Tailwind

colors: {
  custom: {
    50: '#705c95',
    500: '#331f69',
    950: '#000000',
  },
}

SCSS

$custom: #331f69;
$custom-light: #705c95;
$custom-dark: #000000;

JSON

{
  "hex": "#331f69",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 105
  },
  "hsl": {
    "h": 256.216,
    "s": 54.412,
    "l": 26.667
  },
  "oklch": {
    "l": 0.31292,
    "c": 0.12214,
    "h": 289.9
  },
  "luminance": 0.02704
}

Semantic roles & 50–950 ramp

primary

#331F69

secondary

#869D47

accent

#DE4AB6

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331F69

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

Preview Lab → · Contrast checker → · Palette generator →