#421C4B#421C4B

#421C4B is a dark, moderate purple. Relative luminance 0.025; OKLCH L 30.4% C 0.092 H 319.6°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#421C4B
RGB	rgb(66, 28, 75)
HSL	hsl(289, 46%, 20%)
HSV	hsv(289, 63%, 29%)
CMYK	cmyk(12%, 62.7%, 0%, 70.6%)
CIE-LAB	lab(17.90, 26.78, -21.40)
CIE-LCH	lch(17.90, 34.28, 321.38°)
OKLab	oklab(30.36% 0.07 -0.0595)
OKLCH	oklch(30.36% 0.092 319.6)
XYZ	xyz(3.9319, 2.4969, 6.9301)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C4B #254B1C

analogous

#2B1C4B #421C4B #4B1C3C

triadic

#421C4B #4B421C #1C4B42

tetradic

#421C4B #4B2B1C #254B1C #1C3C4B

square

#421C4B #4B2B1C #254B1C #1C3C4B

split-complementary

#421C4B #3C4B1C #1C4B2B

monochromatic

#140816 #1B0B1E #421C4B #692D78 #903DA4

Accessibility & contrast

On white

14.01

#421C4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#421C4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C4B

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C4B	#FFFFFF	#000000	##FFFFFF
##421C4B	1.00	14.01	1.50	14.01
#FFFFFF	14.01	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12294D

Deuteranopia (green-blind)

#1F2D4A

Tritanopia (blue-blind)

#422330

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #421c4b;
/* rgb */ color: rgb(66, 28, 75);
/* oklch */ color: oklch(30.4% 0.092 319.6);

Tailwind

colors: {
  custom: {
    50: '#785a7d',
    500: '#421c4b',
    950: '#000000',
  },
}

SCSS

$custom: #421c4b;
$custom-light: #785a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#421c4b",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 75
  },
  "hsl": {
    "h": 288.511,
    "s": 45.631,
    "l": 20.196
  },
  "oklch": {
    "l": 0.3036,
    "c": 0.09186,
    "h": 319.6
  },
  "luminance": 0.02497
}

Semantic roles & 50–950 ramp

primary

#421C4B

secondary

#4E8142

accent

#D5526C

background

#F7F5F7

surface

#EDE9EE

border

#C8C5C9

text

#090409

muted

#7B797B

Preview Lab

Preview with #421C4B

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

Preview Lab → · Contrast checker → · Palette generator →