Color

#0f81fa

#0f81fa
hex#0f81fa
rgbrgb(15, 129, 250)
hslhsl(211, 96%, 52%)
oklchoklch(0.615 0.202 255.8)
Closest name: Azure (#007fff)Relative luminance 0.227

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fa890f

#0ff6fa · #130ffa

#fa0f81 · #81fa0f

Split-complementary

Open in tool →

#fa130f · #f6fa0f

#fa0ff6 · #fa890f · #0ffa13

Contrast

#0f81fa as textRatioAAAA largeAAAFix
Aaon white
3.79:1failpassfail
  • AA: use #0572e6 as the text (4.61:1)
  • AAA: use #0456af as the text (7.11:1)
  • AA: or shift the background to #1a1a1a (4.59:1)
Aaon black
5.54:1passpassfail
  • AAA: use #3c98fb 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 #0f81fa as the background.

Brands using this color

Fonts for this mood

#0f81fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f81fa
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 #0f81fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f81fa-9cabc4-df534e-1f202d-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