#340F5A#340F5A

#340F5A is a dark, vivid violet. Relative luminance 0.018; OKLCH L 27.8% C 0.124 H 300.7°. Best body text is #FFFFFF at 15.42:1 contrast (WCAG AA passes).

Color values

HEX	#340F5A
RGB	rgb(52, 15, 90)
HSL	hsl(270, 71%, 21%)
HSV	hsv(270, 83%, 35%)
CMYK	cmyk(42.2%, 83.3%, 0%, 64.7%)
CIE-LAB	lab(14.46, 33.99, -37.24)
CIE-LCH	lch(14.46, 50.42, 312.38°)
OKLab	oklab(27.8% 0.0633 -0.1064)
OKLCH	oklch(27.8% 0.124 300.7)
XYZ	xyz(3.4320, 1.8099, 9.8394)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.85

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340F5A #355A0F

analogous

#0F0F5A #340F5A #590F5A

triadic

#340F5A #5A340F #0F5A34

tetradic

#340F5A #5A0F0F #355A0F #0F5A59

square

#340F5A #5A0F0F #355A0F #0F5A59

split-complementary

#340F5A #5A590F #0F5A0F

monochromatic

#0F041A #160626 #340F5A #52188E #7120C3

Accessibility & contrast

On white

15.42

#340F5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#340F5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340F5A

15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340F5A	#FFFFFF	#000000	##FFFFFF
##340F5A	1.00	15.42	1.36	15.42
#FFFFFF	15.42	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245C

Deuteranopia (green-blind)

#002459

Tritanopia (blue-blind)

#2B2334

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #340f5a;
/* rgb */ color: rgb(52, 15, 90);
/* oklch */ color: oklch(27.8% 0.124 300.7);

Tailwind

colors: {
  custom: {
    50: '#705289',
    500: '#340f5a',
    950: '#000000',
  },
}

SCSS

$custom: #340f5a;
$custom-light: #705289;
$custom-dark: #000000;

JSON

{
  "hex": "#340f5a",
  "rgb": {
    "r": 52,
    "g": 15,
    "b": 90
  },
  "hsl": {
    "h": 269.6,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.27799,
    "c": 0.1238,
    "h": 300.7
  },
  "luminance": 0.0181
}

Semantic roles & 50–950 ramp

primary

#340F5A

secondary

#639431

accent

#EE3A95

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #340F5A

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

Preview Lab → · Contrast checker → · Palette generator →