Palettes / Colors / #673D91

#673D91 — Muted Purple

#673D91 is a purple color we call Muted 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 #673D91 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.

#673D91 is a cool purple color associated with luxury, creativity and mystery. It sits comfortably in the middle: usable for large areas in soft schemes, or as a supporting color beside something stronger.

Its strongest partner is its complement #66903C; it also sits naturally between #3C3C90 and #903C90. 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 40% · Green 24% · Blue 57%

Cyan 29% · Magenta 58% · Yellow 0% · Key 43%

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

Previews

CSS code for #673D91

.text { color: #673D91; }
.background { background-color: #673D91; }
.border { border: 3px solid #673D91; }
.text-rgb { color: rgb(103, 61, 145); }
.text-hsl { color: hsl(270, 41%, 40%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #673D91; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(103, 61, 145, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #673D91; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(103, 61, 145, 0.8); }

HTML: <p style="color:#673D91">Text here</p> · <div style="background-color:#673D91">Div content here</div>

Shades of #673D91

Tints of #673D91

Tones of #673D91

Color harmonies

Complementary — #66903C:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #673D91: #FFFFFF.

Semi-transparent (opacity) text on #673D91

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 #673D91 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 #673D91 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

← #673D90  ·  #673D92 →

Frequently asked questions

What color is #673D91?

#673D91 is Muted Purple, a purple color (RGB 103, 61, 145). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #673D91?

#673D91 is RGB 103, 61, 145 — HSL 270°, 41%, 40% — CMYK 29%, 58%, 0%, 43%.

What colors go with #673D91?

Its complement is #66903C; analogous partners are #3C3C90 and #903C90. It also appears in 6+ palettes in our collection.

Can I use #673D91 for text?

White text on #673D91 has a contrast ratio of 7.92:1 (passes WCAG AA); black text gives 2.65:1.