Palettes / Colors / #437DFA

#437DFA — Vivid Blue

#437DFA is a blue color we call Vivid Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.

#437DFA 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 #FAC042; it also sits naturally between #42D8FA and #6442FA. 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 49% · Blue 98%

Cyan 73% · Magenta 50% · Yellow 0% · Key 2%

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

Previews

CSS code for #437DFA

.text { color: #437DFA; }
.background { background-color: #437DFA; }
.border { border: 3px solid #437DFA; }
.text-rgb { color: rgb(67, 125, 250); }
.text-hsl { color: hsl(221, 95%, 62%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #437DFA; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(67, 125, 250, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #437DFA; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(67, 125, 250, 0.8); }

HTML: <p style="color:#437DFA">Text here</p> · <div style="background-color:#437DFA">Div content here</div>

Shades of #437DFA

Tints of #437DFA

Tones of #437DFA

Color harmonies

Complementary — #FAC042:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #437DFA: #000000.

How #437DFA 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 #437DFA

Palettes with a similar color

These palettes use a close neighbour of #437DFA 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

← #437DF9  ·  #437DFB →

Frequently asked questions

What color is #437DFA?

#437DFA is Vivid Blue, a blue color (RGB 67, 125, 250). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #437DFA?

#437DFA is RGB 67, 125, 250 — HSL 221°, 95%, 62% — CMYK 73%, 50%, 0%, 2%.

What colors go with #437DFA?

Its complement is #FAC042; analogous partners are #42D8FA and #6442FA. It also appears in 6+ palettes in our collection.

Can I use #437DFA for text?

Black text on #437DFA has a contrast ratio of 5.55:1 (passes WCAG AA); white text gives 3.78:1.