Color

#2a99ef

#2a99ef
hex#2a99ef
rgbrgb(42, 153, 239)
hslhsl(206, 86%, 55%)
oklchoklch(0.664 0.16 247.4)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.2951

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef7f2a

#2aefe2 · #2a37ef

#ef2a99 · #99ef2a

Split-complementary

Open in tool →

#ef2a37 · #efe22a

#e22aef · #ef7f2a · #37ef2a

Contrast

#2a99ef as textRatioAAAA largeAAAFix
Aaon white
3.04:1failpassfail
  • AA: use #0f77c7 as the text (4.68:1)
  • AAA: use #0b5b98 as the text (7.08:1)
  • AA: or shift the background to #2b2b2b (4.65:1)
Aaon black
6.9:1passpassfail
  • AAA: use #2e9cef as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a99ef 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

#2a99ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a99ef
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 #2a99ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a99ef-9caec4-df4e56-1f212d-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