#421B4C#421B4C

#421B4C is a dark, moderate purple. Relative luminance 0.025; OKLCH L 30.3% C 0.095 H 319.0°. Best body text is #FFFFFF at 14.07:1 contrast (WCAG AA passes).

Color values

HEX	#421B4C
RGB	rgb(66, 27, 76)
HSL	hsl(288, 48%, 20%)
HSV	hsv(288, 64%, 30%)
CMYK	cmyk(13.2%, 64.5%, 0%, 70.2%)
CIE-LAB	lab(17.76, 27.59, -22.32)
CIE-LCH	lch(17.76, 35.49, 321.03°)
OKLab	oklab(30.27% 0.0716 -0.0622)
OKLCH	oklch(30.27% 0.095 319)
XYZ	xyz(3.9430, 2.4641, 7.1040)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B4C #254C1B

analogous

#291B4C #421B4C #4C1B3D

triadic

#421B4C #4C421B #1B4C42

tetradic

#421B4C #4C291B #254C1B #1B3D4C

square

#421B4C #4C291B #254C1B #1B3D4C

split-complementary

#421B4C #3D4C1B #1B4C29

monochromatic

#140817 #1B0B1F #421B4C #692B79 #903BA6

Accessibility & contrast

On white

14.07

#421B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#421B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B4C

14.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B4C	#FFFFFF	#000000	##FFFFFF
##421B4C	1.00	14.07	1.49	14.07
#FFFFFF	14.07	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10294E

Deuteranopia (green-blind)

#1E2D4B

Tritanopia (blue-blind)

#422330

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #421b4c;
/* rgb */ color: rgb(66, 27, 76);
/* oklch */ color: oklch(30.3% 0.095 319.0);

Tailwind

colors: {
  custom: {
    50: '#785a7e',
    500: '#421b4c',
    950: '#000000',
  },
}

SCSS

$custom: #421b4c;
$custom-light: #785a7e;
$custom-dark: #000000;

JSON

{
  "hex": "#421b4c",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 76
  },
  "hsl": {
    "h": 287.755,
    "s": 47.573,
    "l": 20.196
  },
  "oklch": {
    "l": 0.30272,
    "c": 0.09482,
    "h": 319
  },
  "luminance": 0.02464
}

Semantic roles & 50–950 ramp

primary

#421B4C

secondary

#4E8241

accent

#D7516C

background

#F7F5F7

surface

#EDE9EE

border

#C8C5C9

text

#09040A

muted

#7B797C

Preview Lab

Preview with #421B4C

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

Preview Lab → · Contrast checker → · Palette generator →