Palettes / Colors / #424BCE

#424BCE — Blue

#424BCE 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 #424BCE 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.

#424BCE 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 #CEC440; it also sits naturally between #4091CE and #7E40CE. 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 26% · Green 29% · Blue 81%

Cyan 68% · Magenta 64% · Yellow 0% · Key 19%

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

Previews

CSS code for #424BCE

.text { color: #424BCE; }
.background { background-color: #424BCE; }
.border { border: 3px solid #424BCE; }
.text-rgb { color: rgb(66, 75, 206); }
.text-hsl { color: hsl(236, 59%, 53%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #424BCE; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(66, 75, 206, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #424BCE; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(66, 75, 206, 0.8); }

HTML: <p style="color:#424BCE">Text here</p> · <div style="background-color:#424BCE">Div content here</div>

Shades of #424BCE

Tints of #424BCE

Tones of #424BCE

Color harmonies

Complementary — #CEC440:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #424BCE: #FFFFFF.

Semi-transparent (opacity) text on #424BCE

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 #424BCE 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 #424BCE 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

← #424BCD  ·  #424BCF →

Frequently asked questions

What color is #424BCE?

#424BCE is Blue, a blue color (RGB 66, 75, 206). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #424BCE?

#424BCE is RGB 66, 75, 206 — HSL 236°, 59%, 53% — CMYK 68%, 64%, 0%, 19%.

What colors go with #424BCE?

Its complement is #CEC440; analogous partners are #4091CE and #7E40CE. It also appears in 6+ palettes in our collection.

Can I use #424BCE for text?

White text on #424BCE has a contrast ratio of 6.71:1 (passes WCAG AA); black text gives 3.13:1.