Palettes / Colors / #421DAA

#421DAA — Purple

#421DAA is a purple color we call Purple, closest to the named color DarkSlateBlue (#483D8B). It belongs to the purple family.

Color name

Closest CSS keyword: darkslateblue (#483D8B) — not an exact match. CSS darkslateblue gives you #483D8B, a different color; use #421DAA when you need this exact shade.

Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.

#421DAA is a cool purple color associated with luxury, creativity and mystery. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.

Its strongest partner is its complement #84AA1D; it also sits naturally between #1D3EAA and #891DAA. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 26% · Green 11% · Blue 67%

Cyan 61% · Magenta 83% · Yellow 0% · Key 33%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #421DAA

.text { color: #421DAA; }
.background { background-color: #421DAA; }
.border { border: 3px solid #421DAA; }
.text-rgb { color: rgb(66, 29, 170); }
.text-hsl { color: hsl(256, 71%, 39%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #421DAA; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(66, 29, 170, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #421DAA; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(66, 29, 170, 0.8); }

HTML: <p style="color:#421DAA">Text here</p> · <div style="background-color:#421DAA">Div content here</div>

Shades of #421DAA

Tints of #421DAA

Tones of #421DAA

Color harmonies

Complementary — #84AA1D:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #421DAA: #FFFFFF.

Semi-transparent (opacity) text on #421DAA

Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:

How #421DAA looks with color blindness

Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:

Closest design-system colors

The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:

Palettes with a similar color

These palettes use a close neighbour of #421DAA rather than the exact color:

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

Browse neighbouring colors

← #421DA9  ·  #421DAB →

Frequently asked questions

What color is #421DAA?

#421DAA is Purple, a purple color (RGB 66, 29, 170). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #421DAA?

#421DAA is RGB 66, 29, 170 — HSL 256°, 71%, 39% — CMYK 61%, 83%, 0%, 33%.

What colors go with #421DAA?

Its complement is #84AA1D; analogous partners are #1D3EAA and #891DAA. It also appears in 6+ palettes in our collection.

Can I use #421DAA for text?

White text on #421DAA has a contrast ratio of 10.56:1 (passes WCAG AA); black text gives 1.99:1.