#421C5C#421C5C

#421C5C is a dark, moderate violet. Relative luminance 0.028; OKLCH L 31.6% C 0.112 H 308.6°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#421C5C
RGB	rgb(66, 28, 92)
HSL	hsl(276, 53%, 24%)
HSV	hsv(276, 70%, 36%)
CMYK	cmyk(28.3%, 69.6%, 0%, 63.9%)
CIE-LAB	lab(19.06, 30.99, -31.01)
CIE-LCH	lch(19.06, 43.85, 314.98°)
OKLab	oklab(31.57% 0.07 -0.0876)
OKLCH	oklch(31.57% 0.112 308.6)
XYZ	xyz(4.5934, 2.7615, 10.4142)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Plum Purple

#4E0550

ΔE00 5.98

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C5C #365C1C

analogous

#221C5C #421C5C #5C1C56

triadic

#421C5C #5C421C #1C5C42

tetradic

#421C5C #5C221C #365C1C #1C565C

square

#421C5C #5C221C #365C1C #1C565C

split-complementary

#421C5C #565C1C #1C5C22

monochromatic

#110717 #200E2D #421C5C #642A8B #8539BA

Accessibility & contrast

On white

13.53

#421C5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#421C5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C5C

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C5C	#FFFFFF	#000000	##FFFFFF
##421C5C	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5E

Deuteranopia (green-blind)

#112F5B

Tritanopia (blue-blind)

#3E2939

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #421c5c;
/* rgb */ color: rgb(66, 28, 92);
/* oklch */ color: oklch(31.6% 0.112 308.6);

Tailwind

colors: {
  custom: {
    50: '#795b8b',
    500: '#421c5c',
    950: '#000000',
  },
}

SCSS

$custom: #421c5c;
$custom-light: #795b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#421c5c",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 92
  },
  "hsl": {
    "h": 275.625,
    "s": 53.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.31574,
    "c": 0.11216,
    "h": 308.6
  },
  "luminance": 0.02761
}

Semantic roles & 50–950 ramp

primary

#421C5C

secondary

#629142

accent

#DD4B86

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09040C

muted

#7B797D

Preview Lab

Preview with #421C5C

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

Preview Lab → · Contrast checker → · Palette generator →