Palettes / Colors / #633DBC

#633DBC — Muted Purple

#633DBC is a purple color we call Muted Purple, closest to the named color SlateBlue (#6A5ACD). It belongs to the purple family.

Color name

Closest CSS keyword: slateblue (#6A5ACD) — not an exact match. CSS slateblue gives you #6A5ACD, a different color; use #633DBC 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.

#633DBC 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 #96BD3D; it also sits naturally between #3D57BD and #A33DBD. 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 39% · Green 24% · Blue 74%

Cyan 47% · Magenta 68% · Yellow 0% · Key 26%

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

Previews

CSS code for #633DBC

.text { color: #633DBC; }
.background { background-color: #633DBC; }
.border { border: 3px solid #633DBC; }
.text-rgb { color: rgb(99, 61, 188); }
.text-hsl { color: hsl(258, 51%, 49%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #633DBC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(99, 61, 188, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #633DBC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(99, 61, 188, 0.8); }

HTML: <p style="color:#633DBC">Text here</p> · <div style="background-color:#633DBC">Div content here</div>

Shades of #633DBC

Tints of #633DBC

Tones of #633DBC

Color harmonies

Complementary — #96BD3D:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #633DBC: #FFFFFF.

Semi-transparent (opacity) text on #633DBC

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 #633DBC 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 #633DBC 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

← #633DBB  ·  #633DBD →

Frequently asked questions

What color is #633DBC?

#633DBC is Muted Purple, a purple color (RGB 99, 61, 188). Its closest standard named color is SlateBlue.

What is the RGB and HSL of #633DBC?

#633DBC is RGB 99, 61, 188 — HSL 258°, 51%, 49% — CMYK 47%, 68%, 0%, 26%.

What colors go with #633DBC?

Its complement is #96BD3D; analogous partners are #3D57BD and #A33DBD. It also appears in 6+ palettes in our collection.

Can I use #633DBC for text?

White text on #633DBC has a contrast ratio of 7.18:1 (passes WCAG AA); black text gives 2.92:1.