#421C57#421C57

#421C57 is a dark, moderate violet. Relative luminance 0.027; OKLCH L 31.2% C 0.106 H 311.5°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#421C57
RGB	rgb(66, 28, 87)
HSL	hsl(279, 51%, 23%)
HSV	hsv(279, 68%, 34%)
CMYK	cmyk(24.1%, 67.8%, 0%, 65.9%)
CIE-LAB	lab(18.70, 29.71, -28.25)
CIE-LCH	lch(18.70, 41.00, 316.44°)
OKLab	oklab(31.2% 0.0703 -0.0795)
OKLCH	oklch(31.2% 0.106 311.5)
XYZ	xyz(4.3820, 2.6770, 9.3008)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C57 #31571C

analogous

#251C57 #421C57 #571C4E

triadic

#421C57 #57421C #1C5742

tetradic

#421C57 #57251C #31571C #1C4E57

square

#421C57 #57251C #31571C #1C4E57

split-complementary

#421C57 #4E571C #1C5725

monochromatic

#120717 #1F0D29 #421C57 #652B85 #883AB4

Accessibility & contrast

On white

13.68

#421C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#421C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C57

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C57	#FFFFFF	#000000	##FFFFFF
##421C57	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#032C59

Deuteranopia (green-blind)

#162E56

Tritanopia (blue-blind)

#3F2736

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #421c57;
/* rgb */ color: rgb(66, 28, 87);
/* oklch */ color: oklch(31.2% 0.106 311.5);

Tailwind

colors: {
  custom: {
    50: '#795b87',
    500: '#421c57',
    950: '#000000',
  },
}

SCSS

$custom: #421c57;
$custom-light: #795b87;
$custom-dark: #000000;

JSON

{
  "hex": "#421c57",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 87
  },
  "hsl": {
    "h": 278.644,
    "s": 51.304,
    "l": 22.549
  },
  "oklch": {
    "l": 0.31197,
    "c": 0.10614,
    "h": 311.5
  },
  "luminance": 0.02677
}

Semantic roles & 50–950 ramp

primary

#421C57

secondary

#5D8D42

accent

#DB4D7F

background

#F7F5F8

surface

#EDE9EF

border

#C8C5CA

text

#09040B

muted

#7B797C

Preview Lab

Preview with #421C57

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

Preview Lab → · Contrast checker → · Palette generator →