Palettes / Colors / #503DBC

#503DBC — Muted Blue

#503DBC is a blue color we call Muted Blue, closest to the named color SlateBlue (#6A5ACD). It belongs to the blue family.

Color name

Closest CSS keyword: slateblue (#6A5ACD) — not an exact match. CSS slateblue gives you #6A5ACD, a different color; use #503DBC 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.

#503DBC 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 #AABD3D; it also sits naturally between #3D6ABD and #903DBD. 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 31% · Green 24% · Blue 74%

Cyan 57% · Magenta 68% · Yellow 0% · Key 26%

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

Previews

CSS code for #503DBC

.text { color: #503DBC; }
.background { background-color: #503DBC; }
.border { border: 3px solid #503DBC; }
.text-rgb { color: rgb(80, 61, 188); }
.text-hsl { color: hsl(249, 51%, 49%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #503DBC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(80, 61, 188, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #503DBC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(80, 61, 188, 0.8); }

HTML: <p style="color:#503DBC">Text here</p> · <div style="background-color:#503DBC">Div content here</div>

Shades of #503DBC

Tints of #503DBC

Tones of #503DBC

Color harmonies

Complementary — #AABD3D:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #503DBC: #FFFFFF.

Semi-transparent (opacity) text on #503DBC

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 #503DBC 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 #503DBC 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

← #503DBB  ·  #503DBD →

Frequently asked questions

What color is #503DBC?

#503DBC is Muted Blue, a blue color (RGB 80, 61, 188). Its closest standard named color is SlateBlue.

What is the RGB and HSL of #503DBC?

#503DBC is RGB 80, 61, 188 — HSL 249°, 51%, 49% — CMYK 57%, 68%, 0%, 26%.

What colors go with #503DBC?

Its complement is #AABD3D; analogous partners are #3D6ABD and #903DBD. It also appears in 6+ palettes in our collection.

Can I use #503DBC for text?

White text on #503DBC has a contrast ratio of 7.68:1 (passes WCAG AA); black text gives 2.73:1.