Color

#4d70b3

#4d70b3
hex#4d70b3
rgbrgb(77, 112, 179)
hslhsl(219, 40%, 50%)
oklchoklch(0.55 0.112 262.4)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1642

Colors that go with #4d70b3

Charcoal, Sea Green 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 →

#b38f4d

#4da3b3 · #5c4db3

#b34d70 · #70b34d

Split-complementary

Open in tool →

#b35c4d · #a3b34d

#b34da3 · #b38f4d · #4db35c

Contrast

#4d70b3 as textRatioAAAA largeAAAFix
Aaon white
4.9:1passpassfail
  • AAA: use #3c588b as the text (7.09:1)
Aaon black
4.28:1failpassfail
  • AA: use #5476b6 as the text (4.64:1)
  • AAA: use #7e98c8 as the text (7.21:1)
  • AA: or shift the background to #f7f7f7 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d70b3 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

#4d70b3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d70b3
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 #4d70b3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d70b3-9ca5c4-df664e-211f2d-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