#331F5B#331F5B

#331F5B is a dark, moderate violet. Relative luminance 0.024; OKLCH L 30.1% C 0.103 H 294.8°. Best body text is #FFFFFF at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#331F5B
RGB	rgb(51, 31, 91)
HSL	hsl(260, 49%, 24%)
HSV	hsv(260, 66%, 36%)
CMYK	cmyk(44%, 65.9%, 0%, 64.3%)
CIE-LAB	lab(17.64, 25.11, -32.74)
CIE-LCH	lch(17.64, 41.26, 307.49°)
OKLab	oklab(30.07% 0.0431 -0.0933)
OKLCH	oklch(30.07% 0.103 294.8)
XYZ	xyz(3.7431, 2.4390, 10.1691)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F5B #475B1F

analogous

#1F295B #331F5B #511F5B

triadic

#331F5B #5B331F #1F5B33

tetradic

#331F5B #5B1F29 #475B1F #1F5B51

square

#331F5B #5B1F29 #475B1F #1F5B51

split-complementary

#331F5B #5B511F #295B1F

monochromatic

#0D0817 #190F2D #331F5B #4D2F89 #663EB6

Accessibility & contrast

On white

14.11

#331F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#331F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F5B

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F5B	#FFFFFF	#000000	##FFFFFF
##331F5B	1.00	14.11	1.49	14.11
#FFFFFF	14.11	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5D

Deuteranopia (green-blind)

#002A5A

Tritanopia (blue-blind)

#292C39

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #331f5b;
/* rgb */ color: rgb(51, 31, 91);
/* oklch */ color: oklch(30.1% 0.103 294.8);

Tailwind

colors: {
  custom: {
    50: '#6e5c8a',
    500: '#331f5b',
    950: '#000000',
  },
}

SCSS

$custom: #331f5b;
$custom-light: #6e5c8a;
$custom-dark: #000000;

JSON

{
  "hex": "#331f5b",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 91
  },
  "hsl": {
    "h": 260,
    "s": 49.18,
    "l": 23.922
  },
  "oklch": {
    "l": 0.30072,
    "c": 0.10277,
    "h": 294.8
  },
  "luminance": 0.02439
}

Semantic roles & 50–950 ramp

primary

#331F5B

secondary

#779046

accent

#D94FAB

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#07040C

muted

#7A797D

Preview Lab

Preview with #331F5B

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

Preview Lab → · Contrast checker → · Palette generator →