Color

#3a354b

#3a354b
hex#3a354b
rgbrgb(58, 53, 75)
hslhsl(254, 17%, 25%)
oklchoklch(0.344 0.038 294.7)
Closest name: Call It a Night (#42364c)Relative luminance 0.0395

Tints & shades

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

Harmonies

Complementary

Open in tool →

#464b35

#353b4b · #45354b

#4b3a35 · #354b3a

Split-complementary

Open in tool →

#4b4535 · #3b4b35

#4b353b · #464b35 · #354b45

Contrast

#3a354b as textRatioAAAA largeAAAFix
Aaon white
11.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #7a7099 as the text (4.61:1)
  • AAA: use #9891b1 as the text (7.02:1)
  • AA: or shift the background to #a1a1a1 (4.54:1)
  • AAA: or shift the background to #c9c9c9 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a354b 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

#3a354b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a354b
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 #3a354b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a354b-aa9cc4-dfbb4e-291f2d-e9ebf1?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