#340F5C#340F5C

#340F5C is a dark, vivid violet. Relative luminance 0.018; OKLCH L 28.0% C 0.126 H 299.8°. Best body text is #FFFFFF at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#340F5C
RGB	rgb(52, 15, 92)
HSL	hsl(269, 72%, 21%)
HSV	hsv(269, 84%, 36%)
CMYK	cmyk(43.5%, 83.7%, 0%, 63.9%)
CIE-LAB	lab(14.65, 34.53, -38.27)
CIE-LCH	lch(14.65, 51.54, 312.06°)
OKLab	oklab(27.99% 0.0627 -0.1094)
OKLCH	oklch(27.99% 0.126 299.8)
XYZ	xyz(3.5183, 1.8444, 10.2938)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.80

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340F5C #375C0F

analogous

#0F105C #340F5C #5A0F5C

triadic

#340F5C #5C340F #0F5C34

tetradic

#340F5C #5C0F10 #375C0F #0F5C5A

square

#340F5C #5C0F10 #375C0F #0F5C5A

split-complementary

#340F5C #5C5A0F #105C0F

monochromatic

#0F041A #160627 #340F5C #521891 #6F20C5

Accessibility & contrast

On white

15.34

#340F5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#340F5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340F5C

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340F5C	#FFFFFF	#000000	##FFFFFF
##340F5C	1.00	15.34	1.37	15.34
#FFFFFF	15.34	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255E

Deuteranopia (green-blind)

#00245B

Tritanopia (blue-blind)

#2A2435

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #340f5c;
/* rgb */ color: rgb(52, 15, 92);
/* oklch */ color: oklch(28.0% 0.126 299.8);

Tailwind

colors: {
  custom: {
    50: '#70528b',
    500: '#340f5c',
    950: '#000000',
  },
}

SCSS

$custom: #340f5c;
$custom-light: #70528b;
$custom-dark: #000000;

JSON

{
  "hex": "#340f5c",
  "rgb": {
    "r": 52,
    "g": 15,
    "b": 92
  },
  "hsl": {
    "h": 268.831,
    "s": 71.963,
    "l": 20.98
  },
  "oklch": {
    "l": 0.27993,
    "c": 0.12609,
    "h": 299.8
  },
  "luminance": 0.01844
}

Semantic roles & 50–950 ramp

primary

#340F5C

secondary

#659531

accent

#EF3997

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #340F5C

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

Preview Lab → · Contrast checker → · Palette generator →