Color

#42355a

#42355a
hex#42355a
rgbrgb(66, 53, 90)
hslhsl(261, 26%, 28%)
oklchoklch(0.36 0.064 299.3)
Closest name: Call It a Night (#42364c)Relative luminance 0.0444

Colors that go with #42355a

Sea Green, Teal and Dark Olive Green 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 →

#4d5a35

#353a5a · #54355a

#5a4235 · #355a42

Split-complementary

Open in tool →

#5a5435 · #3a5a35

#5a353a · #4d5a35 · #355a54

Contrast

#42355a as textRatioAAAA largeAAAFix
Aaon white
11.12:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #816ba8 as the text (4.6:1)
  • AAA: use #9f8fbd as the text (7.14:1)
  • AA: or shift the background to #a6a6a6 (4.57:1)
  • AAA: or shift the background to #cfcfcf (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42355a 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

#42355a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42355a
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 #42355a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42355a-af9cc4-dfcb4e-2a1f2d-e9eaf1?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