Palettes / Colors / #657EA4

#657EA4 — Dusty Blue

#657EA4 is a blue color we call Dusty Blue, closest to the named color SlateGray (#708090). It belongs to the blue family.

Color name

Closest CSS keyword: slategray (#708090) — not an exact match. CSS slategray gives you #708090, a different color; use #657EA4 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.

#657EA4 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 #A48B65; it also sits naturally between #659EA4 and #6B65A4. 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 40% · Green 49% · Blue 64%

Cyan 38% · Magenta 23% · Yellow 0% · Key 36%

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

Previews

CSS code for #657EA4

.text { color: #657EA4; }
.background { background-color: #657EA4; }
.border { border: 3px solid #657EA4; }
.text-rgb { color: rgb(101, 126, 164); }
.text-hsl { color: hsl(216, 26%, 52%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #657EA4; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(101, 126, 164, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #657EA4; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(101, 126, 164, 0.8); }

HTML: <p style="color:#657EA4">Text here</p> · <div style="background-color:#657EA4">Div content here</div>

Shades of #657EA4

Tints of #657EA4

Tones of #657EA4

Color harmonies

Complementary — #A48B65:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #657EA4: #000000.

Semi-transparent (opacity) text on #657EA4

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 #657EA4 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 #657EA4 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

← #657EA3  ·  #657EA5 →

Frequently asked questions

What color is #657EA4?

#657EA4 is Dusty Blue, a blue color (RGB 101, 126, 164). Its closest standard named color is SlateGray.

What is the RGB and HSL of #657EA4?

#657EA4 is RGB 101, 126, 164 — HSL 216°, 26%, 52% — CMYK 38%, 23%, 0%, 36%.

What colors go with #657EA4?

Its complement is #A48B65; analogous partners are #659EA4 and #6B65A4. It also appears in 6+ palettes in our collection.

Can I use #657EA4 for text?

Black text on #657EA4 has a contrast ratio of 5.07:1 (passes WCAG AA); white text gives 4.14:1.