Palettes / Colors / #368FDD

#368FDD — Blue

#368FDD is a blue color we call Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.

Color name

Closest CSS keyword: royalblue (#4169E1) — not an exact match. CSS royalblue gives you #4169E1, a different color; use #368FDD 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.

#368FDD is a cool blue color associated with trust, calm and professionalism. 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 #DD8436; it also sits naturally between #36DDD7 and #363CDD. 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 21% · Green 56% · Blue 87%

Cyan 76% · Magenta 35% · Yellow 0% · Key 13%

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

Previews

CSS code for #368FDD

.text { color: #368FDD; }
.background { background-color: #368FDD; }
.border { border: 3px solid #368FDD; }
.text-rgb { color: rgb(54, 143, 221); }
.text-hsl { color: hsl(208, 71%, 54%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #368FDD; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(54, 143, 221, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #368FDD; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(54, 143, 221, 0.8); }

HTML: <p style="color:#368FDD">Text here</p> · <div style="background-color:#368FDD">Div content here</div>

Shades of #368FDD

Tints of #368FDD

Tones of #368FDD

Color harmonies

Complementary — #DD8436:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #368FDD: #000000.

Semi-transparent (opacity) text on #368FDD

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 #368FDD 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 #368FDD 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

← #368FDC  ·  #368FDE →

Frequently asked questions

What color is #368FDD?

#368FDD is Blue, a blue color (RGB 54, 143, 221). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #368FDD?

#368FDD is RGB 54, 143, 221 — HSL 208°, 71%, 54% — CMYK 76%, 35%, 0%, 13%.

What colors go with #368FDD?

Its complement is #DD8436; analogous partners are #36DDD7 and #363CDD. It also appears in 6+ palettes in our collection.

Can I use #368FDD for text?

Black text on #368FDD has a contrast ratio of 6.13:1 (passes WCAG AA); white text gives 3.43:1.