#331A8A#331A8A

#331A8A is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.9% C 0.170 H 282.8°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#331A8A
RGB	rgb(51, 26, 138)
HSL	hsl(253, 68%, 32%)
HSV	hsv(253, 81%, 54%)
CMYK	cmyk(63%, 81.2%, 0%, 45.9%)
CIE-LAB	lab(21.12, 42.57, -57.38)
CIE-LCH	lch(21.12, 71.44, 306.57°)
OKLab	oklab(33.92% 0.0375 -0.1655)
OKLCH	oklch(33.92% 0.17 282.8)
XYZ	xyz(6.3207, 3.2771, 24.3393)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A8A #718A1A

analogous

#1A398A #331A8A #6B1A8A

triadic

#331A8A #8A331A #1A8A33

tetradic

#331A8A #8A1A39 #718A1A #1A8A6B

square

#331A8A #8A1A39 #718A1A #1A8A6B

split-complementary

#331A8A #8A6B1A #398A1A

monochromatic

#0D0723 #201057 #331A8A #4624BD #6543DC

Accessibility & contrast

On white

12.68

#331A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#331A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A8A

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A8A	#FFFFFF	#000000	##FFFFFF
##331A8A	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368D

Deuteranopia (green-blind)

#002F88

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #331a8a;
/* rgb */ color: rgb(51, 26, 138);
/* oklch */ color: oklch(33.9% 0.170 282.8);

Tailwind

colors: {
  custom: {
    50: '#775bad',
    500: '#331a8a',
    950: '#000000',
  },
}

SCSS

$custom: #331a8a;
$custom-light: #775bad;
$custom-dark: #000000;

JSON

{
  "hex": "#331a8a",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 138
  },
  "hsl": {
    "h": 253.393,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33917,
    "c": 0.16968,
    "h": 282.8
  },
  "luminance": 0.03278
}

Semantic roles & 50–950 ramp

primary

#331A8A

secondary

#A2BD43

accent

#EB3DC4

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #331A8A

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

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