#340B40#340B40

#340B40 is a dark, moderate purple. Relative luminance 0.013; OKLCH L 25.0% C 0.100 H 317.4°. Best body text is #FFFFFF at 16.56:1 contrast (WCAG AA passes).

Color values

HEX	#340B40
RGB	rgb(52, 11, 64)
HSL	hsl(286, 71%, 15%)
HSV	hsv(286, 83%, 25%)
CMYK	cmyk(18.8%, 82.8%, 0%, 74.9%)
CIE-LAB	lab(11.55, 29.17, -24.02)
CIE-LCH	lch(11.55, 37.78, 320.54°)
OKLab	oklab(25.04% 0.0734 -0.0675)
OKLCH	oklch(25.04% 0.1 317.4)
XYZ	xyz(2.4611, 1.3397, 4.9784)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340B40 #17400B

analogous

#1A0B40 #340B40 #400B32

triadic

#340B40 #40340B #0B4034

tetradic

#340B40 #401A0B #17400B #0B3240

square

#340B40 #401A0B #17400B #0B3240

split-complementary

#340B40 #32400B #0B401A

monochromatic

#15041A #15041A #340B40 #5E1474 #891DA8

Accessibility & contrast

On white

16.56

#340B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#340B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340B40

16.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340B40	#FFFFFF	#000000	##FFFFFF
##340B40	1.00	16.56	1.27	16.56
#FFFFFF	16.56	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C41

Deuteranopia (green-blind)

#0C203F

Tritanopia (blue-blind)

#331624

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #340b40;
/* rgb */ color: rgb(52, 11, 64);
/* oklch */ color: oklch(25.0% 0.100 317.4);

Tailwind

colors: {
  custom: {
    50: '#6e4f75',
    500: '#340b40',
    950: '#000000',
  },
}

SCSS

$custom: #340b40;
$custom-light: #6e4f75;
$custom-dark: #000000;

JSON

{
  "hex": "#340b40",
  "rgb": {
    "r": 52,
    "g": 11,
    "b": 64
  },
  "hsl": {
    "h": 286.415,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25039,
    "c": 0.09971,
    "h": 317.4
  },
  "luminance": 0.0134
}

Semantic roles & 50–950 ramp

primary

#340B40

secondary

#3D7D2A

accent

#ED3A63

background

#F6F4F7

surface

#ECE7ED

border

#C7C3C8

text

#070208

muted

#7A787B

Preview Lab

Preview with #340B40

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

Preview Lab → · Contrast checker → · Palette generator →