#340B4E#340B4E

#340B4E is a dark, moderate violet. Relative luminance 0.015; OKLCH L 26.2% C 0.115 H 307.9°. Best body text is #FFFFFF at 16.11:1 contrast (WCAG AA passes).

Color values

HEX	#340B4E
RGB	rgb(52, 11, 78)
HSL	hsl(277, 75%, 17%)
HSV	hsv(277, 86%, 31%)
CMYK	cmyk(33.3%, 85.9%, 0%, 69.4%)
CIE-LAB	lab(12.73, 32.59, -31.88)
CIE-LCH	lch(12.73, 45.59, 315.63°)
OKLab	oklab(26.25% 0.0705 -0.0906)
OKLCH	oklch(26.25% 0.115 307.9)
XYZ	xyz(2.9107, 1.5195, 7.3462)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340B4E #254E0B

analogous

#120B4E #340B4E #4E0B47

triadic

#340B4E #4E340B #0B4E34

tetradic

#340B4E #4E120B #254E0B #0B474E

square

#340B4E #4E120B #254E0B #0B474E

split-complementary

#340B4E #474E0B #0B4E12

monochromatic

#12041B #12041B #340B4E #581384 #7C1AB9

Accessibility & contrast

On white

16.11

#340B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#340B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340B4E

16.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340B4E	#FFFFFF	#000000	##FFFFFF
##340B4E	1.00	16.11	1.30	16.11
#FFFFFF	16.11	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002050

Deuteranopia (green-blind)

#00214D

Tritanopia (blue-blind)

#301C2C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #340b4e;
/* rgb */ color: rgb(52, 11, 78);
/* oklch */ color: oklch(26.2% 0.115 307.9);

Tailwind

colors: {
  custom: {
    50: '#6f5080',
    500: '#340b4e',
    950: '#000000',
  },
}

SCSS

$custom: #340b4e;
$custom-light: #6f5080;
$custom-dark: #000000;

JSON

{
  "hex": "#340b4e",
  "rgb": {
    "r": 52,
    "g": 11,
    "b": 78
  },
  "hsl": {
    "h": 276.716,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.26245,
    "c": 0.11485,
    "h": 307.9
  },
  "luminance": 0.01519
}

Semantic roles & 50–950 ramp

primary

#340B4E

secondary

#508A2B

accent

#F2367F

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#08020A

muted

#7B787C

Preview Lab

Preview with #340B4E

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

Preview Lab → · Contrast checker → · Palette generator →