#331E5B#331E5B

#331E5B is a dark, moderate violet. Relative luminance 0.024; OKLCH L 29.9% C 0.104 H 295.2°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#331E5B
RGB	rgb(51, 30, 91)
HSL	hsl(261, 50%, 24%)
HSV	hsv(261, 67%, 36%)
CMYK	cmyk(44%, 67%, 0%, 64.3%)
CIE-LAB	lab(17.40, 25.74, -33.13)
CIE-LCH	lch(17.40, 41.95, 307.85°)
OKLab	oklab(29.9% 0.0444 -0.0944)
OKLCH	oklch(29.9% 0.104 295.2)
XYZ	xyz(3.7173, 2.3876, 10.1605)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331E5B #465B1E

analogous

#1E275B #331E5B #511E5B

triadic

#331E5B #5B331E #1E5B33

tetradic

#331E5B #5B1E27 #465B1E #1E5B51

square

#331E5B #5B1E27 #465B1E #1E5B51

split-complementary

#331E5B #5B511E #275B1E

monochromatic

#0D0817 #190F2D #331E5B #4D2D89 #673CB7

Accessibility & contrast

On white

14.21

#331E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#331E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331E5B

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331E5B	#FFFFFF	#000000	##FFFFFF
##331E5B	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5D

Deuteranopia (green-blind)

#002A5A

Tritanopia (blue-blind)

#292C39

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #331e5b;
/* rgb */ color: rgb(51, 30, 91);
/* oklch */ color: oklch(29.9% 0.104 295.2);

Tailwind

colors: {
  custom: {
    50: '#6e5b8a',
    500: '#331e5b',
    950: '#000000',
  },
}

SCSS

$custom: #331e5b;
$custom-light: #6e5b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#331e5b",
  "rgb": {
    "r": 51,
    "g": 30,
    "b": 91
  },
  "hsl": {
    "h": 260.656,
    "s": 50.413,
    "l": 23.725
  },
  "oklch": {
    "l": 0.29899,
    "c": 0.10435,
    "h": 295.2
  },
  "luminance": 0.02388
}

Semantic roles & 50–950 ramp

primary

#331E5B

secondary

#769045

accent

#DA4EAA

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#07040C

muted

#7A797D

Preview Lab

Preview with #331E5B

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

Preview Lab → · Contrast checker → · Palette generator →