#340B4C#340B4C

#340B4C is a dark, moderate violet. Relative luminance 0.015; OKLCH L 26.1% C 0.113 H 309.1°. Best body text is #FFFFFF at 16.18:1 contrast (WCAG AA passes).

Color values

HEX	#340B4C
RGB	rgb(52, 11, 76)
HSL	hsl(278, 75%, 17%)
HSV	hsv(278, 86%, 30%)
CMYK	cmyk(31.6%, 85.5%, 0%, 70.2%)
CIE-LAB	lab(12.55, 32.08, -30.79)
CIE-LCH	lch(12.55, 44.47, 316.18°)
OKLab	oklab(26.06% 0.0711 -0.0874)
OKLCH	oklch(26.06% 0.113 309.1)
XYZ	xyz(2.8401, 1.4913, 6.9743)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340B4C #234C0B

analogous

#130B4C #340B4C #4C0B44

triadic

#340B4C #4C340B #0B4C34

tetradic

#340B4C #4C130B #234C0B #0B444C

square

#340B4C #4C130B #234C0B #0B444C

split-complementary

#340B4C #444C0B #0B4C13

monochromatic

#12041B #12041B #340B4C #591381 #7D1AB7

Accessibility & contrast

On white

16.18

#340B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#340B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340B4C

16.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340B4C	#FFFFFF	#000000	##FFFFFF
##340B4C	1.00	16.18	1.30	16.18
#FFFFFF	16.18	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4E

Deuteranopia (green-blind)

#00214B

Tritanopia (blue-blind)

#301B2B

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #340b4c;
/* rgb */ color: rgb(52, 11, 76);
/* oklch */ color: oklch(26.1% 0.113 309.1);

Tailwind

colors: {
  custom: {
    50: '#6f4f7f',
    500: '#340b4c',
    950: '#000000',
  },
}

SCSS

$custom: #340b4c;
$custom-light: #6f4f7f;
$custom-dark: #000000;

JSON

{
  "hex": "#340b4c",
  "rgb": {
    "r": 52,
    "g": 11,
    "b": 76
  },
  "hsl": {
    "h": 277.846,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.26063,
    "c": 0.11267,
    "h": 309.1
  },
  "luminance": 0.01491
}

Semantic roles & 50–950 ramp

primary

#340B4C

secondary

#4D882B

accent

#F1367B

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#08020A

muted

#7B787C

Preview Lab

Preview with #340B4C

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

Preview Lab → · Contrast checker → · Palette generator →