Color

#299fd6

#299fd6
hex#299fd6
rgbrgb(41, 159, 214)
hslhsl(199, 68%, 50%)
oklchoklch(0.664 0.128 234.5)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3012

Colors that go with #299fd6

Charcoal, Tomato 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 →

#d66029

#29d6b6 · #2949d6

#d6299f · #9fd629

Split-complementary

Open in tool →

#d62949 · #d6b629

#b629d6 · #d66029 · #49d629

Contrast

#299fd6 as textRatioAAAA largeAAAFix
Aaon white
2.99:1failfailfail
  • AA: use #207ca7 as the text (4.66:1)
  • AAA: use #185c7c as the text (7.34:1)
  • AA: or shift the background to #2e2e2e (4.54:1)
  • AAA: or shift the background to #000000 (7.02:1)
Aaon black
7.02:1passpasspassPasses 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 #299fd6 as the background.

Brands using this color

Fonts for this mood

#299fd6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #299fd6
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 #299fd6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/299fd6-9cb3c4-df4e66-1f232d-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