Color

#3b464e

#3b464e
hex#3b464e
rgbrgb(59, 70, 78)
hslhsl(205, 14%, 27%)
oklchoklch(0.387 0.02 239.6)
Closest name: Arsenic (#3b444b)Relative luminance 0.0586

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e433b

#3b4e4d · #3b3d4e

#4e3b46 · #464e3b

Split-complementary

Open in tool →

#4e3b3d · #4e4d3b

#4d3b4e · #4e433b · #3d4e3b

Contrast

#3b464e as textRatioAAAA largeAAAFix
Aaon white
9.67:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #657886 as the text (4.58:1)
  • AAA: use #8899a5 as the text (7.15:1)
  • AA: or shift the background to #b3b3b3 (4.61:1)
  • AAA: or shift the background to #dedede (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3b464e 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

#3b464e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b464e
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 #3b464e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b464e-9cafc4-df4e58-1f212d-e9f1f0?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