Palettes / Colors / #37366C

#37366C — Muted Blue

#37366C is a blue color we call Muted Blue, closest to the named color DarkSlateBlue (#483D8B). It belongs to the blue family.

Color name

Closest CSS keyword: darkslateblue (#483D8B) — not an exact match. CSS darkslateblue gives you #483D8B, a different color; use #37366C 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.

#37366C is a cool blue color associated with trust, calm and professionalism. 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 #6C6D37; it also sits naturally between #37516D and #52376D. 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 22% · Green 21% · Blue 42%

Cyan 49% · Magenta 50% · Yellow 0% · Key 58%

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

Previews

CSS code for #37366C

.text { color: #37366C; }
.background { background-color: #37366C; }
.border { border: 3px solid #37366C; }
.text-rgb { color: rgb(55, 54, 108); }
.text-hsl { color: hsl(241, 33%, 32%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #37366C; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(55, 54, 108, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #37366C; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(55, 54, 108, 0.8); }

HTML: <p style="color:#37366C">Text here</p> · <div style="background-color:#37366C">Div content here</div>

Shades of #37366C

Tints of #37366C

Tones of #37366C

Color harmonies

Complementary — #6C6D37:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #37366C: #FFFFFF.

Semi-transparent (opacity) text on #37366C

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 #37366C 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 #37366C 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

← #37366B  ·  #37366D →

Frequently asked questions

What color is #37366C?

#37366C is Muted Blue, a blue color (RGB 55, 54, 108). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #37366C?

#37366C is RGB 55, 54, 108 — HSL 241°, 33%, 32% — CMYK 49%, 50%, 0%, 58%.

What colors go with #37366C?

Its complement is #6C6D37; analogous partners are #37516D and #52376D. It also appears in 6+ palettes in our collection.

Can I use #37366C for text?

White text on #37366C has a contrast ratio of 11.01:1 (passes WCAG AA); black text gives 1.91:1.