#421D5B#421D5B

#421D5B is a dark, moderate violet. Relative luminance 0.028; OKLCH L 31.6% C 0.109 H 308.9°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#421D5B
RGB	rgb(66, 29, 91)
HSL	hsl(276, 52%, 24%)
HSV	hsv(276, 68%, 36%)
CMYK	cmyk(27.5%, 68.1%, 0%, 64.3%)
CIE-LAB	lab(19.19, 30.18, -30.14)
CIE-LCH	lch(19.19, 42.65, 315.04°)
OKLab	oklab(31.64% 0.0687 -0.0851)
OKLCH	oklch(31.64% 0.109 308.9)
XYZ	xyz(4.5741, 2.7924, 10.1935)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Plum Purple

#4E0550

ΔE00 6.03

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421D5B #365B1D

analogous

#231D5B #421D5B #5B1D55

triadic

#421D5B #5B421D #1D5B42

tetradic

#421D5B #5B231D #365B1D #1D555B

square

#421D5B #5B231D #365B1D #1D555B

split-complementary

#421D5B #555B1D #1D5B23

monochromatic

#110717 #200E2D #421D5B #642C89 #853BB8

Accessibility & contrast

On white

13.48

#421D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#421D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421D5B

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421D5B	#FFFFFF	#000000	##FFFFFF
##421D5B	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5D

Deuteranopia (green-blind)

#132F5A

Tritanopia (blue-blind)

#3E2939

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #421d5b;
/* rgb */ color: rgb(66, 29, 91);
/* oklch */ color: oklch(31.6% 0.109 308.9);

Tailwind

colors: {
  custom: {
    50: '#795c8a',
    500: '#421d5b',
    950: '#000000',
  },
}

SCSS

$custom: #421d5b;
$custom-light: #795c8a;
$custom-dark: #000000;

JSON

{
  "hex": "#421d5b",
  "rgb": {
    "r": 66,
    "g": 29,
    "b": 91
  },
  "hsl": {
    "h": 275.806,
    "s": 51.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.31644,
    "c": 0.10937,
    "h": 308.9
  },
  "luminance": 0.02792
}

Semantic roles & 50–950 ramp

primary

#421D5B

secondary

#629044

accent

#DB4D86

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09040C

muted

#7B797D

Preview Lab

Preview with #421D5B

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

Preview Lab → · Contrast checker → · Palette generator →