Palettes / Colors / #669BCE

#669BCE — Muted Blue

#669BCE is a blue color we call Muted 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 #669BCE 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.

#669BCE 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 #CD9765; it also sits naturally between #65CDCB and #6567CD. 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 61% · Blue 81%

Cyan 50% · Magenta 25% · Yellow 0% · Key 19%

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

Previews

CSS code for #669BCE

.text { color: #669BCE; }
.background { background-color: #669BCE; }
.border { border: 3px solid #669BCE; }
.text-rgb { color: rgb(102, 155, 206); }
.text-hsl { color: hsl(209, 51%, 60%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #669BCE; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(102, 155, 206, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #669BCE; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(102, 155, 206, 0.8); }

HTML: <p style="color:#669BCE">Text here</p> · <div style="background-color:#669BCE">Div content here</div>

Shades of #669BCE

Tints of #669BCE

Tones of #669BCE

Color harmonies

Complementary — #CD9765:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #669BCE: #000000.

Semi-transparent (opacity) text on #669BCE

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 #669BCE 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 #669BCE 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

← #669BCD  ·  #669BCF →

Frequently asked questions

What color is #669BCE?

#669BCE is Muted Blue, a blue color (RGB 102, 155, 206). Its closest standard named color is CornflowerBlue.

What is the RGB and HSL of #669BCE?

#669BCE is RGB 102, 155, 206 — HSL 209°, 51%, 60% — CMYK 50%, 25%, 0%, 19%.

What colors go with #669BCE?

Its complement is #CD9765; analogous partners are #65CDCB and #6567CD. It also appears in 6+ palettes in our collection.

Can I use #669BCE for text?

Black text on #669BCE has a contrast ratio of 7.14:1 (passes WCAG AA); white text gives 2.94:1.