Color

#4d9fcb

#4d9fcb
hex#4d9fcb
rgbrgb(77, 159, 203)
hslhsl(201, 55%, 55%)
oklchoklch(0.669 0.103 234.7)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.3069

Colors that go with #4d9fcb

Charcoal, Amber 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 →

#cb794d

#4dcbb8 · #4d60cb

#cb4d9f · #9fcb4d

Split-complementary

Open in tool →

#cb4d60 · #cbb84d

#b84dcb · #cb794d · #60cb4d

Contrast

#4d9fcb as textRatioAAAA largeAAAFix
Aaon white
2.94:1failfailfail
  • AA: use #307da6 as the text (4.56:1)
  • AAA: use #245c7b as the text (7.26:1)
  • AA: or shift the background to #2e2e2e (4.62:1)
  • AAA: or shift the background to #030303 (7.01:1)
Aaon black
7.14:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d9fcb 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

#4d9fcb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d9fcb
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 #4d9fcb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d9fcb-9cb1c4-df4e62-1f222d-e9f1f0?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