Color

#4d4087

#4d4087
hex#4d4087
rgbrgb(77, 64, 135)
hslhsl(251, 36%, 39%)
oklchoklch(0.422 0.114 289)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0699

Colors that go with #4d4087

Charcoal, Steel Blue and 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 →

#7a8740

#405687 · #714087

#874d40 · #40874d

Split-complementary

Open in tool →

#877140 · #568740

#874056 · #7a8740 · #408771

Contrast

#4d4087 as textRatioAAAA largeAAAFix
Aaon white
8.75:1passpasspassPasses AAA — no fix needed.
Aaon black
2.4:1failfailfail
  • AA: use #786ab9 as the text (4.56:1)
  • AAA: use #9b90cb as the text (7.25:1)
  • AA: or shift the background to #bababa (4.51:1)
  • AAA: or shift the background to #e6e6e6 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d4087 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

#4d4087 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d4087
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 #4d4087 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d4087-a89cc4-dfb34e-281f2d-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