#340B4A#340B4A

#340B4A is a dark, moderate violet. Relative luminance 0.015; OKLCH L 25.9% C 0.110 H 310.4°. Best body text is #FFFFFF at 16.24:1 contrast (WCAG AA passes).

Color values

HEX	#340B4A
RGB	rgb(52, 11, 74)
HSL	hsl(279, 74%, 17%)
HSV	hsv(279, 85%, 29%)
CMYK	cmyk(29.7%, 85.1%, 0%, 71%)
CIE-LAB	lab(12.38, 31.59, -29.69)
CIE-LCH	lch(12.38, 43.35, 316.77°)
OKLab	oklab(25.89% 0.0716 -0.0842)
OKLCH	oklch(25.89% 0.11 310.4)
XYZ	xyz(2.7716, 1.4639, 6.6138)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340B4A #214A0B

analogous

#150B4A #340B4A #4A0B41

triadic

#340B4A #4A340B #0B4A34

tetradic

#340B4A #4A150B #214A0B #0B414A

square

#340B4A #4A150B #214A0B #0B414A

split-complementary

#340B4A #414A0B #0B4A15

monochromatic

#13041B #13041B #340B4A #59137F #7F1BB5

Accessibility & contrast

On white

16.24

#340B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#340B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340B4A

16.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340B4A	#FFFFFF	#000000	##FFFFFF
##340B4A	1.00	16.24	1.29	16.24
#FFFFFF	16.24	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4C

Deuteranopia (green-blind)

#002149

Tritanopia (blue-blind)

#311A2A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #340b4a;
/* rgb */ color: rgb(52, 11, 74);
/* oklch */ color: oklch(25.9% 0.110 310.4);

Tailwind

colors: {
  custom: {
    50: '#6f4f7d',
    500: '#340b4a',
    950: '#000000',
  },
}

SCSS

$custom: #340b4a;
$custom-light: #6f4f7d;
$custom-dark: #000000;

JSON

{
  "hex": "#340b4a",
  "rgb": {
    "r": 52,
    "g": 11,
    "b": 74
  },
  "hsl": {
    "h": 279.048,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.25885,
    "c": 0.11049,
    "h": 310.4
  },
  "luminance": 0.01464
}

Semantic roles & 50–950 ramp

primary

#340B4A

secondary

#4B862B

accent

#F13778

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #340B4A

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

Preview Lab → · Contrast checker → · Palette generator →