Color

#0f81eb

#0f81eb
hex#0f81eb
rgbrgb(15, 129, 235)
hslhsl(209, 88%, 49%)
oklchoklch(0.604 0.184 253.5)
Closest name: Azure (#007fff)Relative luminance 0.218

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb790f

#0febe7 · #0f13eb

#eb0f81 · #81eb0f

Split-complementary

Open in tool →

#eb0f13 · #ebe70f

#e70feb · #eb790f · #13eb0f

Contrast

#0f81eb as textRatioAAAA largeAAAFix
Aaon white
3.92:1failpassfail
  • AA: use #0e76d8 as the text (4.56:1)
  • AAA: use #0a59a3 as the text (7.07:1)
  • AA: or shift the background to #171717 (4.58:1)
Aaon black
5.36:1passpassfail
  • AAA: use #3a9af2 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f81eb as the background.

Brands using this color

Fonts for this mood

#0f81eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f81eb
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 #0f81eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f81eb-9cacc4-df4e4e-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