#331B4C#331B4C

#331B4C is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.2% C 0.088 H 303.8°. Best body text is #FFFFFF at 14.98:1 contrast (WCAG AA passes).

Color values

HEX	#331B4C
RGB	rgb(51, 27, 76)
HSL	hsl(269, 48%, 20%)
HSV	hsv(269, 64%, 30%)
CMYK	cmyk(32.9%, 64.5%, 0%, 70.2%)
CIE-LAB	lab(15.54, 23.15, -25.98)
CIE-LCH	lch(15.54, 34.80, 311.70°)
OKLab	oklab(28.17% 0.0492 -0.0734)
OKLCH	oklch(28.17% 0.088 303.8)
XYZ	xyz(3.0614, 2.0095, 7.0627)
Luminance	0.0201 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B4C #344C1B

analogous

#1B1B4C #331B4C #4B1B4C

triadic

#331B4C #4C331B #1B4C33

tetradic

#331B4C #4C1B1B #344C1B #1B4C4B

square

#331B4C #4C1B1B #344C1B #1B4C4B

split-complementary

#331B4C #4C4B1B #1B4C1B

monochromatic

#0F0817 #150B1F #331B4C #512B79 #703BA6

Accessibility & contrast

On white

14.98

#331B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#331B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B4C

14.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B4C	#FFFFFF	#000000	##FFFFFF
##331B4C	1.00	14.98	1.40	14.98
#FFFFFF	14.98	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06264E

Deuteranopia (green-blind)

#10274B

Tritanopia (blue-blind)

#2E2530

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #331b4c;
/* rgb */ color: rgb(51, 27, 76);
/* oklch */ color: oklch(28.2% 0.088 303.8);

Tailwind

colors: {
  custom: {
    50: '#6d587e',
    500: '#331b4c',
    950: '#000000',
  },
}

SCSS

$custom: #331b4c;
$custom-light: #6d587e;
$custom-dark: #000000;

JSON

{
  "hex": "#331b4c",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 76
  },
  "hsl": {
    "h": 269.388,
    "s": 47.573,
    "l": 20.196
  },
  "oklch": {
    "l": 0.28172,
    "c": 0.08841,
    "h": 303.8
  },
  "luminance": 0.02009
}

Semantic roles & 50–950 ramp

primary

#331B4C

secondary

#628241

accent

#D75195

background

#F6F5F7

surface

#ECE9EE

border

#C7C5C9

text

#07030A

muted

#7A787C

Preview Lab

Preview with #331B4C

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

Preview Lab → · Contrast checker → · Palette generator →