#421B71#421B71

#421B71 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.2% C 0.139 H 299.3°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#421B71
RGB	rgb(66, 27, 113)
HSL	hsl(267, 61%, 27%)
HSV	hsv(267, 76%, 44%)
CMYK	cmyk(41.6%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(20.57, 37.13, -42.32)
CIE-LCH	lch(20.57, 56.30, 311.26°)
OKLab	oklab(33.19% 0.0679 -0.1209)
OKLCH	oklch(33.19% 0.139 299.3)
XYZ	xyz(5.6186, 3.1343, 15.9285)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B71 #4A711B

analogous

#1B1F71 #421B71 #6D1B71

triadic

#421B71 #71421B #1B7142

tetradic

#421B71 #711B1F #4A711B #1B716D

square

#421B71 #711B1F #4A711B #1B716D

split-complementary

#421B71 #716D1B #1F711B

monochromatic

#0E0619 #250F40 #421B71 #5F27A2 #7C37CF

Accessibility & contrast

On white

12.91

#421B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#421B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B71

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B71	#FFFFFF	#000000	##FFFFFF
##421B71	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003173

Deuteranopia (green-blind)

#00316F

Tritanopia (blue-blind)

#373144

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #421b71;
/* rgb */ color: rgb(66, 27, 113);
/* oklch */ color: oklch(33.2% 0.139 299.3);

Tailwind

colors: {
  custom: {
    50: '#7b5b9b',
    500: '#421b71',
    950: '#000000',
  },
}

SCSS

$custom: #421b71;
$custom-light: #7b5b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#421b71",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 267.209,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.33189,
    "c": 0.13864,
    "h": 299.3
  },
  "luminance": 0.03134
}

Semantic roles & 50–950 ramp

primary

#421B71

secondary

#79A642

accent

#E5439B

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #421B71

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

Preview Lab → · Contrast checker → · Palette generator →