Color

#0f91db

#0f91db
hex#0f91db
rgbrgb(15, 145, 219)
hslhsl(202, 87%, 46%)
oklchoklch(0.631 0.149 242.8)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.2547

Tints & shades

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

Harmonies

Complementary

Open in tool →

#db5a0f

#0fdbc0 · #0f2adb

#db0f91 · #91db0f

Split-complementary

Open in tool →

#db0f2a · #dbc00f

#c00fdb · #db5a0f · #2adb0f

Contrast

#0f91db as textRatioAAAA largeAAAFix
Aaon white
3.45:1failpassfail
  • AA: use #0d7bba as the text (4.61:1)
  • AAA: use #0a5b8a as the text (7.3:1)
  • AA: or shift the background to #242424 (4.5:1)
Aaon black
6.09:1passpassfail
  • AAA: use #119dee 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 #0f91db 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

#0f91db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f91db
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 #0f91db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f91db-9cb1c4-df4e5f-1f222d-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