Palettes / Colors / #645754

#645754 — Stone Grey

#645754 is a gray color we call Stone Grey, closest to the named color DimGray (#696969). It belongs to the gray family.

#645754 is a neutral gray color associated with neutrality 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 #546164; it also sits naturally between #645459 and #645F54. 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 34% · Blue 33%

Cyan 0% · Magenta 13% · Yellow 16% · Key 61%

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

Previews

CSS code for #645754

.text { color: #645754; }
.background { background-color: #645754; }
.border { border: 3px solid #645754; }
.text-rgb { color: rgb(100, 87, 84); }
.text-hsl { color: hsl(11, 9%, 36%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #645754; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(100, 87, 84, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #645754; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(100, 87, 84, 0.8); }

HTML: <p style="color:#645754">Text here</p> · <div style="background-color:#645754">Div content here</div>

Shades of #645754

Tints of #645754

Tones of #645754

Color harmonies

Complementary — #546164:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #645754: #FFFFFF.

How #645754 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 #645754 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

← #645753  ·  #645755 →

Frequently asked questions

What color is #645754?

#645754 is Stone Grey, a gray color (RGB 100, 87, 84). Its closest standard named color is DimGray.

What is the RGB and HSL of #645754?

#645754 is RGB 100, 87, 84 — HSL 11°, 9%, 36% — CMYK 0%, 13%, 16%, 61%.

What colors go with #645754?

Its complement is #546164; analogous partners are #645459 and #645F54. It also appears in 6+ palettes in our collection.

Can I use #645754 for text?

White text on #645754 has a contrast ratio of 6.92:1 (passes WCAG AA); black text gives 3.03:1.