Color

#4991bc

#4991bc
hex#4991bc
rgbrgb(73, 145, 188)
hslhsl(202, 46%, 51%)
oklchoklch(0.628 0.097 237.3)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.253

Colors that go with #4991bc

Charcoal, Copper and Amber 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 →

#bc7349

#49bcac · #4958bc

#bc4991 · #91bc49

Split-complementary

Open in tool →

#bc4958 · #bcac49

#ac49bc · #bc7349 · #58bc49

Contrast

#4991bc as textRatioAAAA largeAAAFix
Aaon white
3.47:1failpassfail
  • AA: use #3b7ba0 as the text (4.64:1)
  • AAA: use #2d5e7b as the text (7:1)
  • AA: or shift the background to #212121 (4.65:1)
Aaon black
6.06:1passpassfail
  • AAA: use #5b9dc2 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4991bc 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

#4991bc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4991bc
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 #4991bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4991bc-9cb1c4-df4e5f-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