Color

#299cfa

#299cfa
hex#299cfa
rgbrgb(41, 156, 250)
hslhsl(207, 95%, 57%)
oklchoklch(0.677 0.17 248.8)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3115

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fa8729

#29faef · #2934fa

#fa299c · #9cfa29

Split-complementary

Open in tool →

#fa2934 · #faef29

#ef29fa · #fa8729 · #34fa29

Contrast

#299cfa as textRatioAAAA largeAAAFix
Aaon white
2.9:1failfailfail
  • AA: use #0578d6 as the text (4.5:1)
  • AAA: use #04599f as the text (7.16:1)
  • AA: or shift the background to #303030 (4.54:1)
  • AAA: or shift the background to #050505 (7.02:1)
Aaon black
7.23:1passpasspassPasses 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 #299cfa as the background.

Brands using this color

Fonts for this mood

#299cfa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #299cfa
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 #299cfa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/299cfa-9cadc4-df4e53-1f212d-e9f1f1?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