Palettes / Colors / #403DCC

#403DCC — Blue

#403DCC is a blue color we call Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.

#403DCC 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 #C9CC3E; it also sits naturally between #3E82CC and #873ECC. 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 25% · Green 24% · Blue 80%

Cyan 69% · Magenta 70% · Yellow 0% · Key 20%

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

Previews

CSS code for #403DCC

.text { color: #403DCC; }
.background { background-color: #403DCC; }
.border { border: 3px solid #403DCC; }
.text-rgb { color: rgb(64, 61, 204); }
.text-hsl { color: hsl(241, 58%, 52%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #403DCC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(64, 61, 204, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #403DCC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(64, 61, 204, 0.8); }

HTML: <p style="color:#403DCC">Text here</p> · <div style="background-color:#403DCC">Div content here</div>

Shades of #403DCC

Tints of #403DCC

Tones of #403DCC

Color harmonies

Complementary — #C9CC3E:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #403DCC: #FFFFFF.

How #403DCC 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 #403DCC 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

← #403DCB  ·  #403DCD →

Frequently asked questions

What color is #403DCC?

#403DCC is Blue, a blue color (RGB 64, 61, 204). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #403DCC?

#403DCC is RGB 64, 61, 204 — HSL 241°, 58%, 52% — CMYK 69%, 70%, 0%, 20%.

What colors go with #403DCC?

Its complement is #C9CC3E; analogous partners are #3E82CC and #873ECC. It also appears in 6+ palettes in our collection.

Can I use #403DCC for text?

White text on #403DCC has a contrast ratio of 7.62:1 (passes WCAG AA); black text gives 2.76:1.