Palettes / Colors / #537FEE

#537FEE — Vivid Blue

#537FEE is a blue color we call Vivid Blue, closest to the named color CornflowerBlue (#6495ED). It belongs to the blue family.

Color name

Closest CSS keyword: cornflowerblue (#6495ED) — not an exact match. CSS cornflowerblue gives you #6495ED, a different color; use #537FEE 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.

#537FEE 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 #EEC253; it also sits naturally between #53CCEE and #7553EE. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 33% · Green 50% · Blue 93%

Cyan 65% · Magenta 47% · Yellow 0% · Key 7%

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

Previews

CSS code for #537FEE

.text { color: #537FEE; }
.background { background-color: #537FEE; }
.border { border: 3px solid #537FEE; }
.text-rgb { color: rgb(83, 127, 238); }
.text-hsl { color: hsl(223, 82%, 63%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #537FEE; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(83, 127, 238, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #537FEE; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(83, 127, 238, 0.8); }

HTML: <p style="color:#537FEE">Text here</p> · <div style="background-color:#537FEE">Div content here</div>

Shades of #537FEE

Tints of #537FEE

Tones of #537FEE

Color harmonies

Complementary — #EEC253:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #537FEE: #000000.

Semi-transparent (opacity) text on #537FEE

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 #537FEE 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 #537FEE 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

← #537FED  ·  #537FEF →

Frequently asked questions

What color is #537FEE?

#537FEE is Vivid Blue, a blue color (RGB 83, 127, 238). Its closest standard named color is CornflowerBlue.

What is the RGB and HSL of #537FEE?

#537FEE is RGB 83, 127, 238 — HSL 223°, 82%, 63% — CMYK 65%, 47%, 0%, 7%.

What colors go with #537FEE?

Its complement is #EEC253; analogous partners are #53CCEE and #7553EE. It also appears in 6+ palettes in our collection.

Can I use #537FEE for text?

Black text on #537FEE has a contrast ratio of 5.64:1 (passes WCAG AA); white text gives 3.72:1.