#421B8E#421B8E

#421B8E is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.0% C 0.172 H 290.3°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#421B8E
RGB	rgb(66, 27, 142)
HSL	hsl(260, 68%, 33%)
HSV	hsv(260, 81%, 56%)
CMYK	cmyk(53.5%, 81%, 0%, 44.3%)
CIE-LAB	lab(23.32, 45.16, -56.19)
CIE-LCH	lch(23.32, 72.09, 308.79°)
OKLab	oklab(35.95% 0.0596 -0.1615)
OKLCH	oklch(35.95% 0.172 290.3)
XYZ	xyz(7.5198, 3.8948, 25.9415)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B8E #678E1B

analogous

#1B2D8E #421B8E #7B1B8E

triadic

#421B8E #8E421B #1B8E42

tetradic

#421B8E #8E1B2D #678E1B #1B8E7B

square

#421B8E #8E1B2D #678E1B #1B8E7B

split-complementary

#421B8E #8E7B1B #2D8E1B

monochromatic

#120727 #2A115B #421B8E #5A25C1 #7A47DC

Accessibility & contrast

On white

11.80

#421B8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#421B8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B8E

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B8E	#FFFFFF	#000000	##FFFFFF
##421B8E	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#00358C

Tritanopia (blue-blind)

#263C55

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #421b8e;
/* rgb */ color: rgb(66, 27, 142);
/* oklch */ color: oklch(36.0% 0.172 290.3);

Tailwind

colors: {
  custom: {
    50: '#7f5db0',
    500: '#421b8e',
    950: '#000000',
  },
}

SCSS

$custom: #421b8e;
$custom-light: #7f5db0;
$custom-dark: #000000;

JSON

{
  "hex": "#421b8e",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 142
  },
  "hsl": {
    "h": 260.348,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.35954,
    "c": 0.17219,
    "h": 290.3
  },
  "luminance": 0.03895
}

Semantic roles & 50–950 ramp

primary

#421B8E

secondary

#95BE47

accent

#EB3DB0

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #421B8E

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

Preview Lab → · Contrast checker → · Palette generator →