#340D57#340D57

#340D57 is a dark, vivid violet. Relative luminance 0.017; OKLCH L 27.3% C 0.123 H 302.6°. Best body text is #FFFFFF at 15.66:1 contrast (WCAG AA passes).

Color values

HEX	#340D57
RGB	rgb(52, 13, 87)
HSL	hsl(272, 74%, 20%)
HSV	hsv(272, 85%, 34%)
CMYK	cmyk(40.2%, 85.1%, 0%, 65.9%)
CIE-LAB	lab(13.86, 34.07, -36.19)
CIE-LCH	lch(13.86, 49.70, 313.28°)
OKLab	oklab(27.3% 0.066 -0.1033)
OKLCH	oklch(27.3% 0.123 302.6)
XYZ	xyz(3.2800, 1.7060, 9.1715)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.98

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340D57 #30570D

analogous

#0F0D57 #340D57 #570D55

triadic

#340D57 #57340D #0D5734

tetradic

#340D57 #570F0D #30570D #0D5557

square

#340D57 #570F0D #30570D #0D5557

split-complementary

#340D57 #55570D #0D570F

monochromatic

#10041B #140522 #340D57 #54158C #741DC1

Accessibility & contrast

On white

15.66

#340D57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#340D57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340D57

15.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340D57	#FFFFFF	#000000	##FFFFFF
##340D57	1.00	15.66	1.34	15.66
#FFFFFF	15.66	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002359

Deuteranopia (green-blind)

#002356

Tritanopia (blue-blind)

#2D2132

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #340d57;
/* rgb */ color: rgb(52, 13, 87);
/* oklch */ color: oklch(27.3% 0.123 302.6);

Tailwind

colors: {
  custom: {
    50: '#705187',
    500: '#340d57',
    950: '#000000',
  },
}

SCSS

$custom: #340d57;
$custom-light: #705187;
$custom-dark: #000000;

JSON

{
  "hex": "#340d57",
  "rgb": {
    "r": 52,
    "g": 13,
    "b": 87
  },
  "hsl": {
    "h": 271.622,
    "s": 74,
    "l": 19.608
  },
  "oklch": {
    "l": 0.27295,
    "c": 0.12259,
    "h": 302.6
  },
  "luminance": 0.01706
}

Semantic roles & 50–950 ramp

primary

#340D57

secondary

#5D922E

accent

#F1378F

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #340D57

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

Preview Lab → · Contrast checker → · Palette generator →