Palettes / Colors / #645989

#645989 — Dusty Blue

#645989 is a blue color we call Dusty Blue, closest to the named color DimGray (#696969). It belongs to the blue family.

Color name

Closest CSS keyword: dimgray (#696969) — not an exact match. CSS dimgray gives you #696969, a different color; use #645989 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.

#645989 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 #7D8859; it also sits naturally between #596588 and #7B5988. 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 39% · Green 35% · Blue 54%

Cyan 27% · Magenta 35% · Yellow 0% · Key 46%

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

Previews

CSS code for #645989

.text { color: #645989; }
.background { background-color: #645989; }
.border { border: 3px solid #645989; }
.text-rgb { color: rgb(100, 89, 137); }
.text-hsl { color: hsl(254, 21%, 44%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #645989; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(100, 89, 137, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #645989; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(100, 89, 137, 0.8); }

HTML: <p style="color:#645989">Text here</p> · <div style="background-color:#645989">Div content here</div>

Shades of #645989

Tints of #645989

Tones of #645989

Color harmonies

Complementary — #7D8859:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #645989: #FFFFFF.

Semi-transparent (opacity) text on #645989

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 #645989 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 #645989 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

← #645988  ·  #64598A →

Frequently asked questions

What color is #645989?

#645989 is Dusty Blue, a blue color (RGB 100, 89, 137). Its closest standard named color is DimGray.

What is the RGB and HSL of #645989?

#645989 is RGB 100, 89, 137 — HSL 254°, 21%, 44% — CMYK 27%, 35%, 0%, 46%.

What colors go with #645989?

Its complement is #7D8859; analogous partners are #596588 and #7B5988. It also appears in 6+ palettes in our collection.

Can I use #645989 for text?

White text on #645989 has a contrast ratio of 6.30:1 (passes WCAG AA); black text gives 3.33:1.