#421B4B#421B4B

#421B4B is a dark, moderate purple. Relative luminance 0.025; OKLCH L 30.2% C 0.094 H 319.8°. Best body text is #FFFFFF at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#421B4B
RGB	rgb(66, 27, 75)
HSL	hsl(289, 47%, 20%)
HSV	hsv(289, 64%, 29%)
CMYK	cmyk(12%, 64%, 0%, 70.6%)
CIE-LAB	lab(17.69, 27.36, -21.73)
CIE-LCH	lch(17.69, 34.94, 321.54°)
OKLab	oklab(30.21% 0.0715 -0.0605)
OKLCH	oklch(30.21% 0.094 319.8)
XYZ	xyz(3.9085, 2.4503, 6.9223)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B4B #244B1B

analogous

#2A1B4B #421B4B #4B1B3C

triadic

#421B4B #4B421B #1B4B42

tetradic

#421B4B #4B2A1B #244B1B #1B3C4B

square

#421B4B #4B2A1B #244B1B #1B3C4B

split-complementary

#421B4B #3C4B1B #1B4B2A

monochromatic

#140817 #1A0B1E #421B4B #6A2B78 #913BA5

Accessibility & contrast

On white

14.09

#421B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#421B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B4B

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B4B	#FFFFFF	#000000	##FFFFFF
##421B4B	1.00	14.09	1.49	14.09
#FFFFFF	14.09	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11294D

Deuteranopia (green-blind)

#1F2D4A

Tritanopia (blue-blind)

#422230

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #421b4b;
/* rgb */ color: rgb(66, 27, 75);
/* oklch */ color: oklch(30.2% 0.094 319.8);

Tailwind

colors: {
  custom: {
    50: '#785a7d',
    500: '#421b4b',
    950: '#000000',
  },
}

SCSS

$custom: #421b4b;
$custom-light: #785a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#421b4b",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 75
  },
  "hsl": {
    "h": 288.75,
    "s": 47.059,
    "l": 20
  },
  "oklch": {
    "l": 0.30205,
    "c": 0.09366,
    "h": 319.8
  },
  "luminance": 0.0245
}

Semantic roles & 50–950 ramp

primary

#421B4B

secondary

#4D8141

accent

#D7516A

background

#F7F5F7

surface

#EDE9EE

border

#C8C5C9

text

#090409

muted

#7B797B

Preview Lab

Preview with #421B4B

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

Preview Lab → · Contrast checker → · Palette generator →