Palettes / Colors / #685DFF

#685DFF — Light Vivid Blue

#685DFF is a blue color we call Light Vivid Blue, closest to the named color SlateBlue (#6A5ACD). It belongs to the blue family.

Color name

Closest CSS keyword: slateblue (#6A5ACD) — not an exact match. CSS slateblue gives you #6A5ACD, a different color; use #685DFF 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.

#685DFF 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 #F4FF5C; it also sits naturally between #5CA3FF and #B85CFF. 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 41% · Green 36% · Blue 100%

Cyan 59% · Magenta 64% · Yellow 0% · Key 0%

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

Previews

CSS code for #685DFF

.text { color: #685DFF; }
.background { background-color: #685DFF; }
.border { border: 3px solid #685DFF; }
.text-rgb { color: rgb(104, 93, 255); }
.text-hsl { color: hsl(244, 100%, 68%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #685DFF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(104, 93, 255, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #685DFF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(104, 93, 255, 0.8); }

HTML: <p style="color:#685DFF">Text here</p> · <div style="background-color:#685DFF">Div content here</div>

Shades of #685DFF

Tints of #685DFF

Tones of #685DFF

Color harmonies

Complementary — #F4FF5C:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #685DFF: #000000.

Semi-transparent (opacity) text on #685DFF

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 #685DFF 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 #685DFF 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

← #685DFE  ·  #685E00 →

Frequently asked questions

What color is #685DFF?

#685DFF is Light Vivid Blue, a blue color (RGB 104, 93, 255). Its closest standard named color is SlateBlue.

What is the RGB and HSL of #685DFF?

#685DFF is RGB 104, 93, 255 — HSL 244°, 100%, 68% — CMYK 59%, 64%, 0%, 0%.

What colors go with #685DFF?

Its complement is #F4FF5C; analogous partners are #5CA3FF and #B85CFF. It also appears in 6+ palettes in our collection.

Can I use #685DFF for text?

Black text on #685DFF has a contrast ratio of 4.60:1 (passes WCAG AA); white text gives 4.57:1.