#421B6E#421B6E

#421B6E is a dark, vivid violet. Relative luminance 0.031; OKLCH L 32.9% C 0.135 H 300.5°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#421B6E
RGB	rgb(66, 27, 110)
HSL	hsl(268, 61%, 27%)
HSV	hsv(268, 75%, 43%)
CMYK	cmyk(40%, 75.5%, 0%, 56.9%)
CIE-LAB	lab(20.31, 36.31, -40.81)
CIE-LCH	lch(20.31, 54.62, 311.66°)
OKLab	oklab(32.92% 0.0686 -0.1164)
OKLCH	oklch(32.92% 0.135 300.5)
XYZ	xyz(5.4525, 3.0679, 15.0537)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B6E #476E1B

analogous

#1B1D6E #421B6E #6C1B6E

triadic

#421B6E #6E421B #1B6E42

tetradic

#421B6E #6E1B1D #476E1B #1B6E6C

square

#421B6E #6E1B1D #476E1B #1B6E6C

split-complementary

#421B6E #6E6C1B #1D6E1B

monochromatic

#0F0619 #250F3D #421B6E #5F279F #7D36CE

Accessibility & contrast

On white

13.01

#421B6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#421B6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B6E

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B6E	#FFFFFF	#000000	##FFFFFF
##421B6E	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003170

Deuteranopia (green-blind)

#00306C

Tritanopia (blue-blind)

#382F42

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #421b6e;
/* rgb */ color: rgb(66, 27, 110);
/* oklch */ color: oklch(32.9% 0.135 300.5);

Tailwind

colors: {
  custom: {
    50: '#7b5b98',
    500: '#421b6e',
    950: '#000000',
  },
}

SCSS

$custom: #421b6e;
$custom-light: #7b5b98;
$custom-dark: #000000;

JSON

{
  "hex": "#421b6e",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 110
  },
  "hsl": {
    "h": 268.193,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.32923,
    "c": 0.13511,
    "h": 300.5
  },
  "luminance": 0.03068
}

Semantic roles & 50–950 ramp

primary

#421B6E

secondary

#75A342

accent

#E44499

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #421B6E

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

Preview Lab → · Contrast checker → · Palette generator →