#340B56#340B56

#340B56 is a dark, vivid violet. Relative luminance 0.016; OKLCH L 27.0% C 0.124 H 303.5°. Best body text is #FFFFFF at 15.81:1 contrast (WCAG AA passes).

Color values

HEX	#340B56
RGB	rgb(52, 11, 86)
HSL	hsl(273, 77%, 19%)
HSV	hsv(273, 87%, 34%)
CMYK	cmyk(39.5%, 87.2%, 0%, 66.3%)
CIE-LAB	lab(13.48, 34.64, -36.13)
CIE-LCH	lch(13.48, 50.05, 313.79°)
OKLab	oklab(27% 0.0681 -0.1031)
OKLCH	oklch(27% 0.124 303.5)
XYZ	xyz(3.2152, 1.6413, 8.9497)
Luminance	0.0164 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340B56 #2D560B

analogous

#0F0B56 #340B56 #560B53

triadic

#340B56 #56340B #0B5634

tetradic

#340B56 #560F0B #2D560B #0B5356

square

#340B56 #560F0B #2D560B #0B5356

split-complementary

#340B56 #53560B #0B560F

monochromatic

#10031B #130420 #340B56 #55128C #7619C3

Accessibility & contrast

On white

15.81

#340B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#340B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340B56

15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340B56	#FFFFFF	#000000	##FFFFFF
##340B56	1.00	15.81	1.33	15.81
#FFFFFF	15.81	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002258

Deuteranopia (green-blind)

#002255

Tritanopia (blue-blind)

#2D2031

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #340b56;
/* rgb */ color: rgb(52, 11, 86);
/* oklch */ color: oklch(27.0% 0.124 303.5);

Tailwind

colors: {
  custom: {
    50: '#705086',
    500: '#340b56',
    950: '#000000',
  },
}

SCSS

$custom: #340b56;
$custom-light: #705086;
$custom-dark: #000000;

JSON

{
  "hex": "#340b56",
  "rgb": {
    "r": 52,
    "g": 11,
    "b": 86
  },
  "hsl": {
    "h": 272.8,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.26999,
    "c": 0.12358,
    "h": 303.5
  },
  "luminance": 0.01641
}

Semantic roles & 50–950 ramp

primary

#340B56

secondary

#5A912B

accent

#F4348B

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #340B56

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

Preview Lab → · Contrast checker → · Palette generator →