#340C57#340C57

#340C57 is a dark, vivid violet. Relative luminance 0.017; OKLCH L 27.2% C 0.124 H 302.8°. Best body text is #FFFFFF at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#340C57
RGB	rgb(52, 12, 87)
HSL	hsl(272, 76%, 19%)
HSV	hsv(272, 86%, 34%)
CMYK	cmyk(40.2%, 86.2%, 0%, 65.9%)
CIE-LAB	lab(13.72, 34.49, -36.42)
CIE-LCH	lch(13.72, 50.16, 313.44°)
OKLab	oklab(27.19% 0.0669 -0.104)
OKLCH	oklch(27.19% 0.124 302.8)
XYZ	xyz(3.2675, 1.6811, 9.1673)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.97

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340C57 #2F570C

analogous

#0E0C57 #340C57 #570C55

triadic

#340C57 #57340C #0C5734

tetradic

#340C57 #570E0C #2F570C #0C5557

square

#340C57 #570E0C #2F570C #0C5557

split-complementary

#340C57 #55570C #0C570E

monochromatic

#10041B #140521 #340C57 #54138D #741BC3

Accessibility & contrast

On white

15.72

#340C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#340C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340C57

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340C57	#FFFFFF	#000000	##FFFFFF
##340C57	1.00	15.72	1.34	15.72
#FFFFFF	15.72	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002259

Deuteranopia (green-blind)

#002356

Tritanopia (blue-blind)

#2D2032

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #340c57;
/* rgb */ color: rgb(52, 12, 87);
/* oklch */ color: oklch(27.2% 0.124 302.8);

Tailwind

colors: {
  custom: {
    50: '#705187',
    500: '#340c57',
    950: '#000000',
  },
}

SCSS

$custom: #340c57;
$custom-light: #705187;
$custom-dark: #000000;

JSON

{
  "hex": "#340c57",
  "rgb": {
    "r": 52,
    "g": 12,
    "b": 87
  },
  "hsl": {
    "h": 272,
    "s": 75.758,
    "l": 19.412
  },
  "oklch": {
    "l": 0.27194,
    "c": 0.12365,
    "h": 302.8
  },
  "luminance": 0.01681
}

Semantic roles & 50–950 ramp

primary

#340C57

secondary

#5C922D

accent

#F2358E

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #340C57

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

Preview Lab → · Contrast checker → · Palette generator →