#421B8D#421B8D

#421B8D is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.9% C 0.171 H 290.5°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#421B8D
RGB	rgb(66, 27, 141)
HSL	hsl(261, 68%, 33%)
HSV	hsv(261, 81%, 55%)
CMYK	cmyk(53.2%, 80.9%, 0%, 44.7%)
CIE-LAB	lab(23.22, 44.88, -55.74)
CIE-LCH	lch(23.22, 71.56, 308.84°)
OKLab	oklab(35.85% 0.0599 -0.1602)
OKLCH	oklch(35.85% 0.171 290.5)
XYZ	xyz(7.4450, 3.8649, 25.5478)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B8D #668D1B

analogous

#1B2D8D #421B8D #7B1B8D

triadic

#421B8D #8D421B #1B8D42

tetradic

#421B8D #8D1B2D #668D1B #1B8D7B

square

#421B8D #8D1B2D #668D1B #1B8D7B

split-complementary

#421B8D #8D7B1B #2D8D1B

monochromatic

#120726 #2A115A #421B8D #5A25C0 #7A47DC

Accessibility & contrast

On white

11.84

#421B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#421B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B8D

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B8D	#FFFFFF	#000000	##FFFFFF
##421B8D	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003990

Deuteranopia (green-blind)

#00358B

Tritanopia (blue-blind)

#273C54

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #421b8d;
/* rgb */ color: rgb(66, 27, 141);
/* oklch */ color: oklch(35.9% 0.171 290.5);

Tailwind

colors: {
  custom: {
    50: '#7f5daf',
    500: '#421b8d',
    950: '#000000',
  },
}

SCSS

$custom: #421b8d;
$custom-light: #7f5daf;
$custom-dark: #000000;

JSON

{
  "hex": "#421b8d",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 141
  },
  "hsl": {
    "h": 260.526,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35853,
    "c": 0.17105,
    "h": 290.5
  },
  "luminance": 0.03865
}

Semantic roles & 50–950 ramp

primary

#421B8D

secondary

#95BD46

accent

#EB3DAF

background

#F8F5FA

surface

#EFE9F5

border

#CAC5CF

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #421B8D

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

Preview Lab → · Contrast checker → · Palette generator →