#421B67#421B67

#421B67 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.3% C 0.127 H 303.4°. Best body text is #FFFFFF at 13.26:1 contrast (WCAG AA passes).

Color values

HEX	#421B67
RGB	rgb(66, 27, 103)
HSL	hsl(271, 58%, 25%)
HSV	hsv(271, 74%, 40%)
CMYK	cmyk(35.9%, 73.8%, 0%, 59.6%)
CIE-LAB	lab(19.73, 34.43, -37.20)
CIE-LCH	lch(19.73, 50.69, 312.78°)
OKLab	oklab(32.32% 0.0699 -0.1058)
OKLCH	oklch(32.32% 0.127 303.4)
XYZ	xyz(5.0863, 2.9214, 13.1253)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B67 #40671B

analogous

#1C1B67 #421B67 #671B66

triadic

#421B67 #67421B #1B6742

tetradic

#421B67 #671C1B #40671B #1B6667

square

#421B67 #671C1B #40671B #1B6667

split-complementary

#421B67 #66671B #1B671C

monochromatic

#100618 #230E37 #421B67 #612897 #8034C8

Accessibility & contrast

On white

13.26

#421B67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#421B67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B67

13.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B67	#FFFFFF	#000000	##FFFFFF
##421B67	1.00	13.26	1.58	13.26
#FFFFFF	13.26	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F69

Deuteranopia (green-blind)

#003065

Tritanopia (blue-blind)

#3B2D3F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #421b67;
/* rgb */ color: rgb(66, 27, 103);
/* oklch */ color: oklch(32.3% 0.127 303.4);

Tailwind

colors: {
  custom: {
    50: '#7a5b93',
    500: '#421b67',
    950: '#000000',
  },
}

SCSS

$custom: #421b67;
$custom-light: #7a5b93;
$custom-dark: #000000;

JSON

{
  "hex": "#421b67",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 103
  },
  "hsl": {
    "h": 270.789,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.32322,
    "c": 0.12682,
    "h": 303.4
  },
  "luminance": 0.02921
}

Semantic roles & 50–950 ramp

primary

#421B67

secondary

#6E9C42

accent

#E24692

background

#F7F5F9

surface

#EEE9F1

border

#C9C5CB

text

#0A040D

muted

#7C797E

Preview Lab

Preview with #421B67

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

Preview Lab → · Contrast checker → · Palette generator →