#331A8D#331A8D

#331A8D is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.2% C 0.173 H 282.2°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#331A8D
RGB	rgb(51, 26, 141)
HSL	hsl(253, 69%, 33%)
HSV	hsv(253, 82%, 55%)
CMYK	cmyk(63.8%, 81.6%, 0%, 44.7%)
CIE-LAB	lab(21.45, 43.47, -58.71)
CIE-LCH	lch(21.45, 73.05, 306.52°)
OKLab	oklab(34.24% 0.0366 -0.1693)
OKLCH	oklch(34.24% 0.173 282.2)
XYZ	xyz(6.5409, 3.3652, 25.4990)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A8D #748D1A

analogous

#1A3B8D #331A8D #6C1A8D

triadic

#331A8D #8D331A #1A8D33

tetradic

#331A8D #8D1A3B #748D1A #1A8D6C

square

#331A8D #8D1A3B #748D1A #1A8D6C

split-complementary

#331A8D #8D6C1A #3B8D1A

monochromatic

#0E0726 #201059 #331A8D #4624C1 #6645DD

Accessibility & contrast

On white

12.55

#331A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#331A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A8D

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A8D	#FFFFFF	#000000	##FFFFFF
##331A8D	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003790

Deuteranopia (green-blind)

#002F8B

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #331a8d;
/* rgb */ color: rgb(51, 26, 141);
/* oklch */ color: oklch(34.2% 0.173 282.2);

Tailwind

colors: {
  custom: {
    50: '#785bb0',
    500: '#331a8d',
    950: '#000000',
  },
}

SCSS

$custom: #331a8d;
$custom-light: #785bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#331a8d",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 141
  },
  "hsl": {
    "h": 253.043,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34244,
    "c": 0.17326,
    "h": 282.2
  },
  "luminance": 0.03366
}

Semantic roles & 50–950 ramp

primary

#331A8D

secondary

#A4BE45

accent

#EC3CC6

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #331A8D

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

Preview Lab → · Contrast checker → · Palette generator →