Color

#35455a

#35455a
hex#35455a
rgbrgb(53, 69, 90)
hslhsl(214, 26%, 28%)
oklchoklch(0.386 0.041 255.4)
Closest name: Charcoal (#36454f)Relative luminance 0.0575

Colors that go with #35455a

Sea Green, Teal and Sienna lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a4a35

#35575a · #37355a

#5a3545 · #455a35

Split-complementary

Open in tool →

#5a3735 · #575a35

#5a3557 · #5a4a35 · #355a37

Contrast

#35455a as textRatioAAAA largeAAAFix
Aaon white
9.77:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #5b769a as the text (4.5:1)
  • AAA: use #8298b5 as the text (7.11:1)
  • AA: or shift the background to #b0b0b0 (4.5:1)
  • AAA: or shift the background to #dbdbdb (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #35455a as the background.

Brands using this color

Fonts for this mood

#35455a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #35455a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #35455a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/35455a-9ca9c4-df5a4e-1f1f2d-e9f0f1?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