#340D4B#340D4B

#340D4B is a dark, moderate violet. Relative luminance 0.015; OKLCH L 26.2% C 0.109 H 309.4°. Best body text is #FFFFFF at 16.09:1 contrast (WCAG AA passes).

Color values

HEX	#340D4B
RGB	rgb(52, 13, 75)
HSL	hsl(278, 70%, 17%)
HSV	hsv(278, 83%, 29%)
CMYK	cmyk(30.7%, 82.7%, 0%, 70.6%)
CIE-LAB	lab(12.77, 30.95, -29.75)
CIE-LCH	lch(12.77, 42.93, 316.14°)
OKLab	oklab(26.19% 0.0692 -0.0844)
OKLCH	oklch(26.19% 0.109 309.4)
XYZ	xyz(2.8298, 1.5260, 6.8007)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340D4B #244B0D

analogous

#150D4B #340D4B #4B0D43

triadic

#340D4B #4B340D #0D4B34

tetradic

#340D4B #4B150D #244B0D #0D434B

square

#340D4B #4B150D #244B0D #0D434B

split-complementary

#340D4B #434B0D #0D4B15

monochromatic

#12051A #12051A #340D4B #58167F #7C1FB3

Accessibility & contrast

On white

16.09

#340D4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#340D4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340D4B

16.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340D4B	#FFFFFF	#000000	##FFFFFF
##340D4B	1.00	16.09	1.31	16.09
#FFFFFF	16.09	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204D

Deuteranopia (green-blind)

#00224A

Tritanopia (blue-blind)

#311C2B

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #340d4b;
/* rgb */ color: rgb(52, 13, 75);
/* oklch */ color: oklch(26.2% 0.109 309.4);

Tailwind

colors: {
  custom: {
    50: '#6f507e',
    500: '#340d4b',
    950: '#000000',
  },
}

SCSS

$custom: #340d4b;
$custom-light: #6f507e;
$custom-dark: #000000;

JSON

{
  "hex": "#340d4b",
  "rgb": {
    "r": 52,
    "g": 13,
    "b": 75
  },
  "hsl": {
    "h": 277.742,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.26191,
    "c": 0.10914,
    "h": 309.4
  },
  "luminance": 0.01526
}

Semantic roles & 50–950 ramp

primary

#340D4B

secondary

#4E862E

accent

#ED3B7D

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #340D4B

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

Preview Lab → · Contrast checker → · Palette generator →