#340E57#340E57

#340E57 is a dark, vivid violet. Relative luminance 0.017; OKLCH L 27.4% C 0.121 H 302.4°. Best body text is #FFFFFF at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#340E57
RGB	rgb(52, 14, 87)
HSL	hsl(271, 72%, 20%)
HSV	hsv(271, 84%, 34%)
CMYK	cmyk(40.2%, 83.9%, 0%, 65.9%)
CIE-LAB	lab(14.01, 33.63, -35.94)
CIE-LCH	lch(14.01, 49.22, 313.10°)
OKLab	oklab(27.4% 0.0651 -0.1026)
OKLCH	oklch(27.4% 0.121 302.4)
XYZ	xyz(3.2931, 1.7323, 9.1758)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.00

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340E57 #31570E

analogous

#100E57 #340E57 #570E56

triadic

#340E57 #57340E #0E5734

tetradic

#340E57 #57100E #31570E #0E5657

square

#340E57 #57100E #31570E #0E5657

split-complementary

#340E57 #56570E #0E5710

monochromatic

#10041A #140622 #340E57 #54168C #731FC0

Accessibility & contrast

On white

15.60

#340E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#340E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340E57

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340E57	#FFFFFF	#000000	##FFFFFF
##340E57	1.00	15.60	1.35	15.60
#FFFFFF	15.60	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002359

Deuteranopia (green-blind)

#002356

Tritanopia (blue-blind)

#2D2132

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #340e57;
/* rgb */ color: rgb(52, 14, 87);
/* oklch */ color: oklch(27.4% 0.121 302.4);

Tailwind

colors: {
  custom: {
    50: '#705187',
    500: '#340e57',
    950: '#000000',
  },
}

SCSS

$custom: #340e57;
$custom-light: #705187;
$custom-dark: #000000;

JSON

{
  "hex": "#340e57",
  "rgb": {
    "r": 52,
    "g": 14,
    "b": 87
  },
  "hsl": {
    "h": 271.233,
    "s": 72.277,
    "l": 19.804
  },
  "oklch": {
    "l": 0.27402,
    "c": 0.12149,
    "h": 302.4
  },
  "luminance": 0.01732
}

Semantic roles & 50–950 ramp

primary

#340E57

secondary

#5E9130

accent

#EF3990

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #340E57

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

Preview Lab → · Contrast checker → · Palette generator →