#421D8D#421D8D

#421D8D is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.1% C 0.169 H 290.2°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#421D8D
RGB	rgb(66, 29, 141)
HSL	hsl(260, 66%, 33%)
HSV	hsv(260, 79%, 55%)
CMYK	cmyk(53.2%, 79.4%, 0%, 44.7%)
CIE-LAB	lab(23.54, 43.97, -55.21)
CIE-LCH	lch(23.54, 70.58, 308.53°)
OKLab	oklab(36.08% 0.0584 -0.1587)
OKLCH	oklch(36.08% 0.169 290.2)
XYZ	xyz(7.4925, 3.9597, 25.5637)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421D8D #688D1D

analogous

#1D308D #421D8D #7A1D8D

triadic

#421D8D #8D421D #1D8D42

tetradic

#421D8D #8D1D30 #688D1D #1D8D7A

square

#421D8D #8D1D30 #688D1D #1D8D7A

split-complementary

#421D8D #8D7A1D #308D1D

monochromatic

#120827 #2A135A #421D8D #5A27C0 #7A4BDA

Accessibility & contrast

On white

11.72

#421D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#421D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421D8D

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421D8D	#FFFFFF	#000000	##FFFFFF
##421D8D	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A90

Deuteranopia (green-blind)

#00358B

Tritanopia (blue-blind)

#273D54

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #421d8d;
/* rgb */ color: rgb(66, 29, 141);
/* oklch */ color: oklch(36.1% 0.169 290.2);

Tailwind

colors: {
  custom: {
    50: '#7f5eaf',
    500: '#421d8d',
    950: '#000000',
  },
}

SCSS

$custom: #421d8d;
$custom-light: #7f5eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#421d8d",
  "rgb": {
    "r": 66,
    "g": 29,
    "b": 141
  },
  "hsl": {
    "h": 259.821,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36075,
    "c": 0.16911,
    "h": 290.2
  },
  "luminance": 0.0396
}

Semantic roles & 50–950 ramp

primary

#421D8D

secondary

#96BC4A

accent

#E93FB1

background

#F8F5FA

surface

#EFE9F5

border

#CAC5CF

text

#0B0511

muted

#7C7980

Preview Lab

Preview with #421D8D

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

Preview Lab → · Contrast checker → · Palette generator →