#421B5C#421B5C

#421B5C is a dark, moderate violet. Relative luminance 0.027; OKLCH L 31.4% C 0.114 H 308.8°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#421B5C
RGB	rgb(66, 27, 92)
HSL	hsl(276, 55%, 23%)
HSV	hsv(276, 71%, 36%)
CMYK	cmyk(28.3%, 70.7%, 0%, 63.9%)
CIE-LAB	lab(18.86, 31.54, -31.33)
CIE-LCH	lch(18.86, 44.46, 315.19°)
OKLab	oklab(31.43% 0.0713 -0.0886)
OKLCH	oklch(31.43% 0.114 308.8)
XYZ	xyz(4.5701, 2.7149, 10.4064)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Plum Purple

#4E0550

ΔE00 5.84

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B5C #355C1B

analogous

#211B5C #421B5C #5C1B55

triadic

#421B5C #5C421B #1B5C42

tetradic

#421B5C #5C211B #355C1B #1B555C

square

#421B5C #5C211B #355C1B #1B555C

split-complementary

#421B5C #555C1B #1B5C21

monochromatic

#110718 #200D2D #421B5C #64298B #8637BB

Accessibility & contrast

On white

13.61

#421B5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#421B5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B5C

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B5C	#FFFFFF	#000000	##FFFFFF
##421B5C	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5E

Deuteranopia (green-blind)

#102E5B

Tritanopia (blue-blind)

#3E2939

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #421b5c;
/* rgb */ color: rgb(66, 27, 92);
/* oklch */ color: oklch(31.4% 0.114 308.8);

Tailwind

colors: {
  custom: {
    50: '#795a8b',
    500: '#421b5c',
    950: '#000000',
  },
}

SCSS

$custom: #421b5c;
$custom-light: #795a8b;
$custom-dark: #000000;

JSON

{
  "hex": "#421b5c",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 92
  },
  "hsl": {
    "h": 276,
    "s": 54.622,
    "l": 23.333
  },
  "oklch": {
    "l": 0.31431,
    "c": 0.11371,
    "h": 308.8
  },
  "luminance": 0.02715
}

Semantic roles & 50–950 ramp

primary

#421B5C

secondary

#619241

accent

#DE4A85

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09040C

muted

#7B797D

Preview Lab

Preview with #421B5C

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

Preview Lab → · Contrast checker → · Palette generator →