Color

#3a484b

#3a484b
hex#3a484b
rgbrgb(58, 72, 75)
hslhsl(191, 13%, 26%)
oklchoklch(0.391 0.019 212.1)
Closest name: Arsenic (#3b444b)Relative luminance 0.0604

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#4b3d3a

#3a4b45 · #3a3f4b

#4b3a48 · #484b3a

Split-complementary

Open in tool →

#4b3a3f · #4b453a

#453a4b · #4b3d3a · #3f4b3a

Contrast

#3a484b as textRatioAAAA largeAAAFix
Aaon white
9.51:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #62797f as the text (4.56:1)
  • AAA: use #839aa0 as the text (7.09:1)
  • AA: or shift the background to #b3b3b3 (4.54:1)
  • AAA: or shift the background to #dedede (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a484b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#3a484b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a484b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3a484b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a484b-a2b6be-df4e7a-1f252d-e9f1ef?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md