#331F5A#331F5A

#331F5A is a dark, moderate violet. Relative luminance 0.024; OKLCH L 30.0% C 0.101 H 295.2°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#331F5A
RGB	rgb(51, 31, 90)
HSL	hsl(260, 49%, 24%)
HSV	hsv(260, 66%, 35%)
CMYK	cmyk(43.3%, 65.6%, 0%, 64.7%)
CIE-LAB	lab(17.56, 24.80, -32.20)
CIE-LCH	lch(17.56, 40.64, 307.60°)
OKLab	oklab(29.99% 0.0432 -0.0917)
OKLCH	oklch(29.99% 0.101 295.2)
XYZ	xyz(3.7002, 2.4219, 9.9434)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F5A #465A1F

analogous

#1F285A #331F5A #501F5A

triadic

#331F5A #5A331F #1F5A33

tetradic

#331F5A #5A1F28 #465A1F #1F5A50

square

#331F5A #5A1F28 #465A1F #1F5A50

split-complementary

#331F5A #5A501F #285A1F

monochromatic

#0D0817 #190F2C #331F5A #4D2F88 #673EB5

Accessibility & contrast

On white

14.15

#331F5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#331F5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F5A

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F5A	#FFFFFF	#000000	##FFFFFF
##331F5A	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5C

Deuteranopia (green-blind)

#022A59

Tritanopia (blue-blind)

#292C39

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #331f5a;
/* rgb */ color: rgb(51, 31, 90);
/* oklch */ color: oklch(30.0% 0.101 295.2);

Tailwind

colors: {
  custom: {
    50: '#6e5b89',
    500: '#331f5a',
    950: '#000000',
  },
}

SCSS

$custom: #331f5a;
$custom-light: #6e5b89;
$custom-dark: #000000;

JSON

{
  "hex": "#331f5a",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 90
  },
  "hsl": {
    "h": 260.339,
    "s": 48.76,
    "l": 23.725
  },
  "oklch": {
    "l": 0.29989,
    "c": 0.10136,
    "h": 295.2
  },
  "luminance": 0.02422
}

Semantic roles & 50–950 ramp

primary

#331F5A

secondary

#768F46

accent

#D84FAA

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#07040B

muted

#7A797C

Preview Lab

Preview with #331F5A

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

Preview Lab → · Contrast checker → · Palette generator →