Color

#0fa5db

#0fa5db
hex#0fa5db
rgbrgb(15, 165, 219)
hslhsl(196, 87%, 46%)
oklchoklch(0.678 0.135 231.2)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3213

Tints & shades

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

Harmonies

Complementary

Open in tool →

#db460f

#0fdbac · #0f3fdb

#db0fa5 · #a5db0f

Split-complementary

Open in tool →

#db0f3f · #dbac0f

#ac0fdb · #db460f · #3fdb0f

Contrast

#0fa5db as textRatioAAAA largeAAAFix
Aaon white
2.83:1failfailfail
  • AA: use #0c7da7 as the text (4.66:1)
  • AAA: use #095d7c as the text (7.32:1)
  • AA: or shift the background to #303030 (4.67:1)
  • AAA: or shift the background to #0a0a0a (7:1)
Aaon black
7.43:1passpasspassPasses 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 #0fa5db 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

#0fa5db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0fa5db
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 #0fa5db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0fa5db-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