Color

#423795

#423795
hex#423795
rgbrgb(66, 55, 149)
hslhsl(247, 46%, 40%)
oklchoklch(0.406 0.148 282.9)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0606

Colors that go with #423795

Charcoal, Sea Green and Steel Blue 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 →

#8a9537

#375b95 · #713795

#954237 · #379542

Split-complementary

Open in tool →

#957137 · #5b9537

#95375b · #8a9537 · #379571

Contrast

#423795 as textRatioAAAA largeAAAFix
Aaon white
9.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #756ac8 as the text (4.65:1)
  • AAA: use #988fd6 as the text (7.24:1)
  • AA: or shift the background to #b3b3b3 (4.53:1)
  • AAA: or shift the background to #dedede (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #423795 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

#423795 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #423795
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 #423795 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423795-a59cc4-dfaa4e-271f2d-e9ecf1?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