Color

#4d99cb

#4d99cb
hex#4d99cb
rgbrgb(77, 153, 203)
hslhsl(204, 55%, 55%)
oklchoklch(0.655 0.106 240)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2867

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cb804d

#4dcbbf · #4d5acb

#cb4d99 · #99cb4d

Split-complementary

Open in tool →

#cb4d5a · #cbbf4d

#bf4dcb · #cb804d · #5acb4d

Contrast

#4d99cb as textRatioAAAA largeAAAFix
Aaon white
3.12:1failpassfail
  • AA: use #317aaa as the text (4.67:1)
  • AAA: use #265d82 as the text (7.07:1)
  • AA: or shift the background to #2b2b2b (4.54:1)
Aaon black
6.73:1passpassfail
  • AAA: use #559dce as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d99cb 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

#4d99cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d99cb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4d99cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d99cb-9cafc4-df4e5a-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