#421E9A#421E9A

#421E9A is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.5% C 0.183 H 287.0°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#421E9A
RGB	rgb(66, 30, 154)
HSL	hsl(257, 67%, 36%)
HSV	hsv(257, 81%, 60%)
CMYK	cmyk(57.1%, 80.5%, 0%, 39.6%)
CIE-LAB	lab(25.01, 47.19, -60.82)
CIE-LCH	lch(25.01, 76.98, 307.81°)
OKLab	oklab(37.5% 0.0536 -0.1751)
OKLCH	oklch(37.5% 0.183 287)
XYZ	xyz(8.5420, 4.4194, 30.9685)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421E9A #769A1E

analogous

#1E389A #421E9A #801E9A

triadic

#421E9A #9A421E #1E9A42

tetradic

#421E9A #9A1E38 #769A1E #1E9A80

square

#421E9A #9A1E38 #769A1E #1E9A80

split-complementary

#421E9A #9A801E #389A1E

monochromatic

#160A34 #2C1467 #421E9A #5828CD #7C55DE

Accessibility & contrast

On white

11.15

#421E9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#421E9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421E9A

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421E9A	#FFFFFF	#000000	##FFFFFF
##421E9A	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9D

Deuteranopia (green-blind)

#003898

Tritanopia (blue-blind)

#19435C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #421e9a;
/* rgb */ color: rgb(66, 30, 154);
/* oklch */ color: oklch(37.5% 0.183 287.0);

Tailwind

colors: {
  custom: {
    50: '#815fb9',
    500: '#421e9a',
    950: '#000000',
  },
}

SCSS

$custom: #421e9a;
$custom-light: #815fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#421e9a",
  "rgb": {
    "r": 66,
    "g": 30,
    "b": 154
  },
  "hsl": {
    "h": 257.419,
    "s": 67.391,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37497,
    "c": 0.18312,
    "h": 287
  },
  "luminance": 0.0442
}

Semantic roles & 50–950 ramp

primary

#421E9A

secondary

#A1C153

accent

#EA3EB8

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #421E9A

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

Preview Lab → · Contrast checker → · Palette generator →