#340F5B#340F5B

#340F5B is a dark, vivid violet. Relative luminance 0.018; OKLCH L 27.9% C 0.125 H 300.3°. Best body text is #FFFFFF at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#340F5B
RGB	rgb(52, 15, 91)
HSL	hsl(269, 72%, 21%)
HSV	hsv(269, 84%, 36%)
CMYK	cmyk(42.9%, 83.5%, 0%, 64.3%)
CIE-LAB	lab(14.55, 34.26, -37.76)
CIE-LCH	lch(14.55, 50.98, 312.22°)
OKLab	oklab(27.9% 0.063 -0.1079)
OKLCH	oklch(27.9% 0.125 300.3)
XYZ	xyz(3.4749, 1.8270, 10.0651)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.82

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340F5B #365B0F

analogous

#0F105B #340F5B #5A0F5B

triadic

#340F5B #5B340F #0F5B34

tetradic

#340F5B #5B0F10 #365B0F #0F5B5A

square

#340F5B #5B0F10 #365B0F #0F5B5A

split-complementary

#340F5B #5B5A0F #105B0F

monochromatic

#0F041A #160626 #340F5B #521890 #7020C4

Accessibility & contrast

On white

15.38

#340F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#340F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340F5B

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340F5B	#FFFFFF	#000000	##FFFFFF
##340F5B	1.00	15.38	1.37	15.38
#FFFFFF	15.38	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245D

Deuteranopia (green-blind)

#00245A

Tritanopia (blue-blind)

#2B2335

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #340f5b;
/* rgb */ color: rgb(52, 15, 91);
/* oklch */ color: oklch(27.9% 0.125 300.3);

Tailwind

colors: {
  custom: {
    50: '#70528a',
    500: '#340f5b',
    950: '#000000',
  },
}

SCSS

$custom: #340f5b;
$custom-light: #70528a;
$custom-dark: #000000;

JSON

{
  "hex": "#340f5b",
  "rgb": {
    "r": 52,
    "g": 15,
    "b": 91
  },
  "hsl": {
    "h": 269.211,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.27896,
    "c": 0.12494,
    "h": 300.3
  },
  "luminance": 0.01827
}

Semantic roles & 50–950 ramp

primary

#340F5B

secondary

#649531

accent

#EE3996

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #340F5B

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

Preview Lab → · Contrast checker → · Palette generator →