#331A8B#331A8B

#331A8B is a dark, vivid violet. Relative luminance 0.033; OKLCH L 34.0% C 0.171 H 282.6°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#331A8B
RGB	rgb(51, 26, 139)
HSL	hsl(253, 68%, 32%)
HSV	hsv(253, 81%, 55%)
CMYK	cmyk(63.3%, 81.3%, 0%, 45.5%)
CIE-LAB	lab(21.23, 42.87, -57.82)
CIE-LCH	lch(21.23, 71.98, 306.55°)
OKLab	oklab(34.03% 0.0372 -0.1668)
OKLCH	oklch(34.03% 0.171 282.6)
XYZ	xyz(6.3934, 3.3062, 24.7224)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A8B #728B1A

analogous

#1A3A8B #331A8B #6B1A8B

triadic

#331A8B #8B331A #1A8B33

tetradic

#331A8B #8B1A3A #728B1A #1A8B6B

square

#331A8B #8B1A3A #728B1A #1A8B6B

split-complementary

#331A8B #8B6B1A #3A8B1A

monochromatic

#0D0724 #201057 #331A8B #4624BF #6543DC

Accessibility & contrast

On white

12.64

#331A8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#331A8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A8B

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A8B	#FFFFFF	#000000	##FFFFFF
##331A8B	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368E

Deuteranopia (green-blind)

#002F89

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #331a8b;
/* rgb */ color: rgb(51, 26, 139);
/* oklch */ color: oklch(34.0% 0.171 282.6);

Tailwind

colors: {
  custom: {
    50: '#775bae',
    500: '#331a8b',
    950: '#000000',
  },
}

SCSS

$custom: #331a8b;
$custom-light: #775bae;
$custom-dark: #000000;

JSON

{
  "hex": "#331a8b",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 139
  },
  "hsl": {
    "h": 253.274,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.34026,
    "c": 0.17088,
    "h": 282.6
  },
  "luminance": 0.03307
}

Semantic roles & 50–950 ramp

primary

#331A8B

secondary

#A2BD44

accent

#EB3CC5

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #331A8B

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

Preview Lab → · Contrast checker → · Palette generator →