#340F57#340F57

#340F57 is a dark, vivid violet. Relative luminance 0.018; OKLCH L 27.5% C 0.120 H 302.2°. Best body text is #FFFFFF at 15.53:1 contrast (WCAG AA passes).

Color values

HEX	#340F57
RGB	rgb(52, 15, 87)
HSL	hsl(271, 71%, 20%)
HSV	hsv(271, 83%, 34%)
CMYK	cmyk(40.2%, 82.8%, 0%, 65.9%)
CIE-LAB	lab(14.17, 33.17, -35.68)
CIE-LCH	lch(14.17, 48.72, 312.92°)
OKLab	oklab(27.51% 0.0642 -0.1018)
OKLCH	oklch(27.51% 0.12 302.2)
XYZ	xyz(3.3069, 1.7598, 9.1804)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.04

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340F57 #32570F

analogous

#100F57 #340F57 #570F56

triadic

#340F57 #57340F #0F5734

tetradic

#340F57 #57100F #32570F #0F5657

square

#340F57 #57100F #32570F #0F5657

split-complementary

#340F57 #56570F #0F5710

monochromatic

#10051A #150623 #340F57 #53188B #7221BF

Accessibility & contrast

On white

15.53

#340F57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#340F57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340F57

15.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340F57	#FFFFFF	#000000	##FFFFFF
##340F57	1.00	15.53	1.35	15.53
#FFFFFF	15.53	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002359

Deuteranopia (green-blind)

#002456

Tritanopia (blue-blind)

#2C2232

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #340f57;
/* rgb */ color: rgb(52, 15, 87);
/* oklch */ color: oklch(27.5% 0.120 302.2);

Tailwind

colors: {
  custom: {
    50: '#705287',
    500: '#340f57',
    950: '#000000',
  },
}

SCSS

$custom: #340f57;
$custom-light: #705287;
$custom-dark: #000000;

JSON

{
  "hex": "#340f57",
  "rgb": {
    "r": 52,
    "g": 15,
    "b": 87
  },
  "hsl": {
    "h": 270.833,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.27513,
    "c": 0.12034,
    "h": 302.2
  },
  "luminance": 0.0176
}

Semantic roles & 50–950 ramp

primary

#340F57

secondary

#609131

accent

#ED3A91

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #340F57

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

Preview Lab → · Contrast checker → · Palette generator →