#331A5B#331A5B

#331A5B is a dark, moderate violet. Relative luminance 0.022; OKLCH L 29.2% C 0.110 H 296.6°. Best body text is #FFFFFF at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#331A5B
RGB	rgb(51, 26, 91)
HSL	hsl(263, 56%, 23%)
HSV	hsv(263, 71%, 36%)
CMYK	cmyk(44%, 71.4%, 0%, 64.3%)
CIE-LAB	lab(16.49, 28.21, -34.60)
CIE-LCH	lch(16.49, 44.64, 309.19°)
OKLab	oklab(29.24% 0.0495 -0.0987)
OKLCH	oklch(29.24% 0.11 296.6)
XYZ	xyz(3.6225, 2.1979, 10.1289)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A5B #425B1A

analogous

#1A215B #331A5B #531A5B

triadic

#331A5B #5B331A #1A5B33

tetradic

#331A5B #5B1A21 #425B1A #1A5B53

square

#331A5B #5B1A21 #425B1A #1A5B53

split-complementary

#331A5B #5B531A #215B1A

monochromatic

#0D0718 #180C2B #331A5B #4E288B #6835BA

Accessibility & contrast

On white

14.59

#331A5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#331A5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A5B

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A5B	#FFFFFF	#000000	##FFFFFF
##331A5B	1.00	14.59	1.44	14.59
#FFFFFF	14.59	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295D

Deuteranopia (green-blind)

#00285A

Tritanopia (blue-blind)

#292938

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #331a5b;
/* rgb */ color: rgb(51, 26, 91);
/* oklch */ color: oklch(29.2% 0.110 296.6);

Tailwind

colors: {
  custom: {
    50: '#6f588a',
    500: '#331a5b',
    950: '#000000',
  },
}

SCSS

$custom: #331a5b;
$custom-light: #6f588a;
$custom-dark: #000000;

JSON

{
  "hex": "#331a5b",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 91
  },
  "hsl": {
    "h": 263.077,
    "s": 55.556,
    "l": 22.941
  },
  "oklch": {
    "l": 0.29241,
    "c": 0.11044,
    "h": 296.6
  },
  "luminance": 0.02198
}

Semantic roles & 50–950 ramp

primary

#331A5B

secondary

#729140

accent

#DF49A5

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#08030C

muted

#7B787D

Preview Lab

Preview with #331A5B

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

Preview Lab → · Contrast checker → · Palette generator →