#421B52#421B52

#421B52 is a dark, moderate purple. Relative luminance 0.026; OKLCH L 30.7% C 0.102 H 314.8°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#421B52
RGB	rgb(66, 27, 82)
HSL	hsl(283, 50%, 21%)
HSV	hsv(283, 67%, 32%)
CMYK	cmyk(19.5%, 67.1%, 0%, 67.8%)
CIE-LAB	lab(18.15, 29.03, -25.77)
CIE-LCH	lch(18.15, 38.82, 318.41°)
OKLab	oklab(30.69% 0.0718 -0.0723)
OKLCH	oklch(30.69% 0.102 314.8)
XYZ	xyz(4.1614, 2.5514, 8.2543)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B52 #2B521B

analogous

#271B52 #421B52 #521B47

triadic

#421B52 #52421B #1B5242

tetradic

#421B52 #52271B #2B521B #1B4752

square

#421B52 #52271B #2B521B #1B4752

split-complementary

#421B52 #47521B #1B5227

monochromatic

#130817 #1D0C24 #421B52 #672A80 #8C39AE

Accessibility & contrast

On white

13.91

#421B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#421B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B52

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B52	#FFFFFF	#000000	##FFFFFF
##421B52	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082A54

Deuteranopia (green-blind)

#1A2D51

Tritanopia (blue-blind)

#412533

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #421b52;
/* rgb */ color: rgb(66, 27, 82);
/* oklch */ color: oklch(30.7% 0.102 314.8);

Tailwind

colors: {
  custom: {
    50: '#785a83',
    500: '#421b52',
    950: '#000000',
  },
}

SCSS

$custom: #421b52;
$custom-light: #785a83;
$custom-dark: #000000;

JSON

{
  "hex": "#421b52",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 82
  },
  "hsl": {
    "h": 282.545,
    "s": 50.459,
    "l": 21.373
  },
  "oklch": {
    "l": 0.30686,
    "c": 0.10183,
    "h": 314.8
  },
  "luminance": 0.02551
}

Semantic roles & 50–950 ramp

primary

#421B52

secondary

#568841

accent

#DA4E77

background

#F7F5F8

surface

#EDE9EF

border

#C8C5CA

text

#09040A

muted

#7B797C

Preview Lab

Preview with #421B52

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

Preview Lab → · Contrast checker → · Palette generator →