#340B4B#340B4B

#340B4B is a dark, moderate violet. Relative luminance 0.015; OKLCH L 26.0% C 0.112 H 309.7°. Best body text is #FFFFFF at 16.21:1 contrast (WCAG AA passes).

Color values

HEX	#340B4B
RGB	rgb(52, 11, 75)
HSL	hsl(278, 74%, 17%)
HSV	hsv(278, 85%, 29%)
CMYK	cmyk(30.7%, 85.3%, 0%, 70.6%)
CIE-LAB	lab(12.46, 31.83, -30.24)
CIE-LCH	lch(12.46, 43.91, 316.47°)
OKLab	oklab(25.97% 0.0713 -0.0858)
OKLCH	oklch(25.97% 0.112 309.7)
XYZ	xyz(2.8056, 1.4775, 6.7926)
Luminance	0.0148 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340B4B #224B0B

analogous

#140B4B #340B4B #4B0B42

triadic

#340B4B #4B340B #0B4B34

tetradic

#340B4B #4B140B #224B0B #0B424B

square

#340B4B #4B140B #224B0B #0B424B

split-complementary

#340B4B #424B0B #0B4B14

monochromatic

#13041B #13041B #340B4B #591380 #7E1BB6

Accessibility & contrast

On white

16.21

#340B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#340B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340B4B

16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340B4B	#FFFFFF	#000000	##FFFFFF
##340B4B	1.00	16.21	1.30	16.21
#FFFFFF	16.21	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4D

Deuteranopia (green-blind)

#00214A

Tritanopia (blue-blind)

#311B2B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #340b4b;
/* rgb */ color: rgb(52, 11, 75);
/* oklch */ color: oklch(26.0% 0.112 309.7);

Tailwind

colors: {
  custom: {
    50: '#6f4f7e',
    500: '#340b4b',
    950: '#000000',
  },
}

SCSS

$custom: #340b4b;
$custom-light: #6f4f7e;
$custom-dark: #000000;

JSON

{
  "hex": "#340b4b",
  "rgb": {
    "r": 52,
    "g": 11,
    "b": 75
  },
  "hsl": {
    "h": 278.438,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.25974,
    "c": 0.11158,
    "h": 309.7
  },
  "luminance": 0.01477
}

Semantic roles & 50–950 ramp

primary

#340B4B

secondary

#4C872B

accent

#F1377A

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #340B4B

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

Preview Lab → · Contrast checker → · Palette generator →