Palettes / Colors / #331D77

#331D77 — Purple

#331D77 is a purple color we call 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 #331D77 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.

#331D77 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 #61771D; it also sits naturally between #1D3377 and #611D77. 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 11% · Blue 47%

Cyan 57% · Magenta 76% · Yellow 0% · Key 53%

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

Previews

CSS code for #331D77

.text { color: #331D77; }
.background { background-color: #331D77; }
.border { border: 3px solid #331D77; }
.text-rgb { color: rgb(51, 29, 119); }
.text-hsl { color: hsl(255, 61%, 29%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #331D77; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(51, 29, 119, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #331D77; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(51, 29, 119, 0.8); }

HTML: <p style="color:#331D77">Text here</p> · <div style="background-color:#331D77">Div content here</div>

Shades of #331D77

Tints of #331D77

Tones of #331D77

Color harmonies

Complementary — #61771D:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #331D77: #FFFFFF.

Semi-transparent (opacity) text on #331D77

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 #331D77 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 #331D77 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

← #331D76  ·  #331D78 →

Frequently asked questions

What color is #331D77?

#331D77 is Purple, a purple color (RGB 51, 29, 119). Its closest standard named color is MidnightBlue.

What is the RGB and HSL of #331D77?

#331D77 is RGB 51, 29, 119 — HSL 255°, 61%, 29% — CMYK 57%, 76%, 0%, 53%.

What colors go with #331D77?

Its complement is #61771D; analogous partners are #1D3377 and #611D77. It also appears in 6+ palettes in our collection.

Can I use #331D77 for text?

White text on #331D77 has a contrast ratio of 13.27:1 (passes WCAG AA); black text gives 1.58:1.