Palettes / Colors / #646554
#646554 — Stone Grey
#646554 is a gray color we call Stone Grey, closest to the named color DimGray (#696969). It belongs to the gray family.
Color name
Closest CSS keyword: dimgray (#696969) — not an exact match. CSS dimgray gives you #696969, a different color; use #646554 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.
#646554 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 #555464; it also sits naturally between #645D54 and #5B6454. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #646554 |
|---|---|
| RGB | 100, 101, 84 |
| HSL | 64°, 9%, 36% |
| HSV | 64°, 17%, 40% |
| CMYK | 1%, 0%, 17%, 60% |
| XYZ | 11.51, 12.66, 10.22 |
| Yxy | 12.66, 0.3347, 0.3680 |
| CIE-Lab | 42.24, -3.67, 9.51 |
| Hunter Lab | 35.58, -2.65, 6.16 |
RGB & CMYK percentages
Red 39% · Green 40% · Blue 33%
Cyan 1% · Magenta 0% · Yellow 17% · Key 60%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #646554
.text { color: #646554; }
.background { background-color: #646554; }
.border { border: 3px solid #646554; }
.text-rgb { color: rgb(100, 101, 84); }
.text-hsl { color: hsl(64, 9%, 36%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #646554; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(100, 101, 84, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #646554; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(100, 101, 84, 0.8); }
HTML: <p style="color:#646554">Text here</p> · <div style="background-color:#646554">Div content here</div>
Shades of #646554
Tints of #646554
Tones of #646554
Color harmonies
Complementary — #555464:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 5.95:1 AA |
|---|---|
| Against black text | 3.53:1 AA large only |
Best text color on #646554: #FFFFFF.
Semi-transparent (opacity) text on #646554
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:
Smaller body text shows the effect best.
Blended color: · Contrast against #646554: ·
How #646554 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 #646554 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
Frequently asked questions
What color is #646554?
#646554 is Stone Grey, a gray color (RGB 100, 101, 84). Its closest standard named color is DimGray.
What is the RGB and HSL of #646554?
#646554 is RGB 100, 101, 84 — HSL 64°, 9%, 36% — CMYK 1%, 0%, 17%, 60%.
What colors go with #646554?
Its complement is #555464; analogous partners are #645D54 and #5B6454. It also appears in 6+ palettes in our collection.
Can I use #646554 for text?
White text on #646554 has a contrast ratio of 5.95:1 (passes WCAG AA); black text gives 3.53:1.