Palettes / Colors / #59639B

#59639B — Dusty Blue

#59639B 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 #59639B 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.

#59639B 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 #9B9259; it also sits naturally between #59849B and #70599B. 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 35% · Green 39% · Blue 61%

Cyan 43% · Magenta 36% · Yellow 0% · Key 39%

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

Previews

CSS code for #59639B

.text { color: #59639B; }
.background { background-color: #59639B; }
.border { border: 3px solid #59639B; }
.text-rgb { color: rgb(89, 99, 155); }
.text-hsl { color: hsl(231, 27%, 48%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #59639B; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(89, 99, 155, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #59639B; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(89, 99, 155, 0.8); }

HTML: <p style="color:#59639B">Text here</p> · <div style="background-color:#59639B">Div content here</div>

Shades of #59639B

Tints of #59639B

Tones of #59639B

Color harmonies

Complementary — #9B9259:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #59639B: #FFFFFF.

Semi-transparent (opacity) text on #59639B

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 #59639B 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 #59639B 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

← #59639A  ·  #59639C →

Frequently asked questions

What color is #59639B?

#59639B is Dusty Blue, a blue color (RGB 89, 99, 155). Its closest standard named color is SlateGray.

What is the RGB and HSL of #59639B?

#59639B is RGB 89, 99, 155 — HSL 231°, 27%, 48% — CMYK 43%, 36%, 0%, 39%.

What colors go with #59639B?

Its complement is #9B9259; analogous partners are #59849B and #70599B. It also appears in 6+ palettes in our collection.

Can I use #59639B for text?

White text on #59639B has a contrast ratio of 5.70:1 (passes WCAG AA); black text gives 3.68:1.