Palettes / Colors / #503DBD

#503DBD — Muted Blue

#503DBD 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 #503DBD 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.

#503DBD 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 58% · Magenta 68% · Yellow 0% · Key 26%

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

Previews

CSS code for #503DBD

.text { color: #503DBD; }
.background { background-color: #503DBD; }
.border { border: 3px solid #503DBD; }
.text-rgb { color: rgb(80, 61, 189); }
.text-hsl { color: hsl(249, 51%, 49%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #503DBD; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(80, 61, 189, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #503DBD; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(80, 61, 189, 0.8); }

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

Shades of #503DBD

Tints of #503DBD

Tones of #503DBD

Color harmonies

Complementary — #AABD3D:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #503DBD: #FFFFFF.

Semi-transparent (opacity) text on #503DBD

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 #503DBD 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 #503DBD 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

← #503DBC  ·  #503DBE →

Frequently asked questions

What color is #503DBD?

#503DBD is Muted Blue, a blue color (RGB 80, 61, 189). Its closest standard named color is SlateBlue.

What is the RGB and HSL of #503DBD?

#503DBD is RGB 80, 61, 189 — HSL 249°, 51%, 49% — CMYK 58%, 68%, 0%, 26%.

What colors go with #503DBD?

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

Can I use #503DBD for text?

White text on #503DBD has a contrast ratio of 7.65:1 (passes WCAG AA); black text gives 2.74:1.