#421B68#421B68

#421B68 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.4% C 0.128 H 303.0°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#421B68
RGB	rgb(66, 27, 104)
HSL	hsl(270, 59%, 26%)
HSV	hsv(270, 74%, 41%)
CMYK	cmyk(36.5%, 74%, 0%, 59.2%)
CIE-LAB	lab(19.81, 34.69, -37.72)
CIE-LCH	lch(19.81, 51.25, 312.61°)
OKLab	oklab(32.41% 0.0697 -0.1073)
OKLCH	oklch(32.41% 0.128 303)
XYZ	xyz(5.1368, 2.9416, 13.3912)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B68 #41681B

analogous

#1B1B68 #421B68 #681B67

triadic

#421B68 #68421B #1B6842

tetradic

#421B68 #681B1B #41681B #1B6768

square

#421B68 #681B1B #41681B #1B6768

split-complementary

#421B68 #67681B #1B681B

monochromatic

#0F0618 #230E37 #421B68 #612899 #8034C9

Accessibility & contrast

On white

13.22

#421B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#421B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B68

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B68	#FFFFFF	#000000	##FFFFFF
##421B68	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6A

Deuteranopia (green-blind)

#003066

Tritanopia (blue-blind)

#3A2D3F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #421b68;
/* rgb */ color: rgb(66, 27, 104);
/* oklch */ color: oklch(32.4% 0.128 303.0);

Tailwind

colors: {
  custom: {
    50: '#7a5b94',
    500: '#421b68',
    950: '#000000',
  },
}

SCSS

$custom: #421b68;
$custom-light: #7a5b94;
$custom-dark: #000000;

JSON

{
  "hex": "#421b68",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 104
  },
  "hsl": {
    "h": 270.39,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.32406,
    "c": 0.128,
    "h": 303
  },
  "luminance": 0.02942
}

Semantic roles & 50–950 ramp

primary

#421B68

secondary

#6F9D42

accent

#E24693

background

#F7F5F9

surface

#EEE9F1

border

#C9C5CB

text

#0A040D

muted

#7C797E

Preview Lab

Preview with #421B68

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

Preview Lab → · Contrast checker → · Palette generator →