Palettes / Colors / #331F55

#331F55 — Deep Muted Purple

#331F55 is a purple color we call Deep Muted Purple, closest to the named color MidnightBlue (#191970). It belongs to the purple family.

Color name

Closest CSS keyword: midnightblue (#191970) — not an exact match. CSS midnightblue gives you #191970, a different color; use #331F55 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.

#331F55 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 #42561F; it also sits naturally between #1F2656 and #4F1F56. 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 20% · Green 12% · Blue 33%

Cyan 40% · Magenta 64% · Yellow 0% · Key 67%

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

Previews

CSS code for #331F55

.text { color: #331F55; }
.background { background-color: #331F55; }
.border { border: 3px solid #331F55; }
.text-rgb { color: rgb(51, 31, 85); }
.text-hsl { color: hsl(262, 47%, 23%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #331F55; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(51, 31, 85, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #331F55; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(51, 31, 85, 0.8); }

HTML: <p style="color:#331F55">Text here</p> · <div style="background-color:#331F55">Div content here</div>

Shades of #331F55

Tints of #331F55

Tones of #331F55

Color harmonies

Complementary — #42561F:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #331F55: #FFFFFF.

Semi-transparent (opacity) text on #331F55

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 #331F55 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 #331F55 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

← #331F54  ·  #331F56 →

Frequently asked questions

What color is #331F55?

#331F55 is Deep Muted Purple, a purple color (RGB 51, 31, 85). Its closest standard named color is MidnightBlue.

What is the RGB and HSL of #331F55?

#331F55 is RGB 51, 31, 85 — HSL 262°, 47%, 23% — CMYK 40%, 64%, 0%, 67%.

What colors go with #331F55?

Its complement is #42561F; analogous partners are #1F2656 and #4F1F56. It also appears in 6+ palettes in our collection.

Can I use #331F55 for text?

White text on #331F55 has a contrast ratio of 14.31:1 (passes WCAG AA); black text gives 1.47:1.