#421B4D#421B4D

#421B4D is a dark, moderate purple. Relative luminance 0.025; OKLCH L 30.3% C 0.096 H 318.3°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#421B4D
RGB	rgb(66, 27, 77)
HSL	hsl(287, 48%, 20%)
HSV	hsv(287, 65%, 30%)
CMYK	cmyk(14.3%, 64.9%, 0%, 69.8%)
CIE-LAB	lab(17.82, 27.83, -22.90)
CIE-LCH	lch(17.82, 36.04, 320.55°)
OKLab	oklab(30.34% 0.0716 -0.0639)
OKLCH	oklch(30.34% 0.096 318.3)
XYZ	xyz(3.9781, 2.4781, 7.2885)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B4D #264D1B

analogous

#291B4D #421B4D #4D1B3F

triadic

#421B4D #4D421B #1B4D42

tetradic

#421B4D #4D291B #264D1B #1B3F4D

square

#421B4D #4D291B #264D1B #1B3F4D

split-complementary

#421B4D #3F4D1B #1B4D29

monochromatic

#130817 #1B0B20 #421B4D #692B7A #903BA8

Accessibility & contrast

On white

14.04

#421B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#421B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B4D

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B4D	#FFFFFF	#000000	##FFFFFF
##421B4D	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F294F

Deuteranopia (green-blind)

#1D2D4C

Tritanopia (blue-blind)

#422331

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #421b4d;
/* rgb */ color: rgb(66, 27, 77);
/* oklch */ color: oklch(30.3% 0.096 318.3);

Tailwind

colors: {
  custom: {
    50: '#785a7f',
    500: '#421b4d',
    950: '#000000',
  },
}

SCSS

$custom: #421b4d;
$custom-light: #785a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#421b4d",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 77
  },
  "hsl": {
    "h": 286.8,
    "s": 48.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30339,
    "c": 0.09598,
    "h": 318.3
  },
  "luminance": 0.02478
}

Semantic roles & 50–950 ramp

primary

#421B4D

secondary

#4F8341

accent

#D8506E

background

#F7F5F7

surface

#EDE9EE

border

#C8C5C9

text

#09040A

muted

#7B797C

Preview Lab

Preview with #421B4D

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

Preview Lab → · Contrast checker → · Palette generator →