Color

#0aa3db

#0aa3db
hex#0aa3db
rgbrgb(10, 163, 219)
hslhsl(196, 91%, 45%)
oklchoklch(0.673 0.136 232.3)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3137

Tints & shades

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

Harmonies

Complementary

Open in tool →

#db420a

#0adbaa · #0a3bdb

#db0aa3 · #a3db0a

Split-complementary

Open in tool →

#db0a3b · #dbaa0a

#aa0adb · #db420a · #3bdb0a

Contrast

#0aa3db as textRatioAAAA largeAAAFix
Aaon white
2.89:1failfailfail
  • AA: use #087faa as the text (4.54:1)
  • AAA: use #065e7f as the text (7.2:1)
  • AA: or shift the background to #303030 (4.57:1)
  • AAA: or shift the background to #050505 (7.06:1)
Aaon black
7.27:1passpasspassPasses 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 #0aa3db 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

#0aa3db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0aa3db
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 #0aa3db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0aa3db-9cb5c4-df4e6e-1f232d-e9f1ef?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