#340F5E#340F5E

#340F5E is a dark, vivid violet. Relative luminance 0.019; OKLCH L 28.2% C 0.128 H 298.9°. Best body text is #FFFFFF at 15.26:1 contrast (WCAG AA passes).

Color values

HEX	#340F5E
RGB	rgb(52, 15, 94)
HSL	hsl(268, 72%, 21%)
HSV	hsv(268, 84%, 37%)
CMYK	cmyk(44.7%, 84%, 0%, 63.1%)
CIE-LAB	lab(14.84, 35.08, -39.29)
CIE-LCH	lch(14.84, 52.67, 311.76°)
OKLab	oklab(28.19% 0.062 -0.1124)
OKLCH	oklch(28.19% 0.128 298.9)
XYZ	xyz(3.6069, 1.8798, 10.7603)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.79

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340F5E #395E0F

analogous

#0F125E #340F5E #5C0F5E

triadic

#340F5E #5E340F #0F5E34

tetradic

#340F5E #5E0F12 #395E0F #0F5E5C

square

#340F5E #5E0F12 #395E0F #0F5E5C

split-complementary

#340F5E #5E5C0F #125E0F

monochromatic

#0F041A #170729 #340F5E #511793 #6E20C8

Accessibility & contrast

On white

15.26

#340F5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#340F5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340F5E

15.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340F5E	#FFFFFF	#000000	##FFFFFF
##340F5E	1.00	15.26	1.38	15.26
#FFFFFF	15.26	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002560

Deuteranopia (green-blind)

#00255D

Tritanopia (blue-blind)

#2A2536

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #340f5e;
/* rgb */ color: rgb(52, 15, 94);
/* oklch */ color: oklch(28.2% 0.128 298.9);

Tailwind

colors: {
  custom: {
    50: '#71528c',
    500: '#340f5e',
    950: '#000000',
  },
}

SCSS

$custom: #340f5e;
$custom-light: #71528c;
$custom-dark: #000000;

JSON

{
  "hex": "#340f5e",
  "rgb": {
    "r": 52,
    "g": 15,
    "b": 94
  },
  "hsl": {
    "h": 268.101,
    "s": 72.477,
    "l": 21.373
  },
  "oklch": {
    "l": 0.28189,
    "c": 0.12838,
    "h": 298.9
  },
  "luminance": 0.0188
}

Semantic roles & 50–950 ramp

primary

#340F5E

secondary

#689731

accent

#EF399A

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #340F5E

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

Preview Lab → · Contrast checker → · Palette generator →