Color

#0f47ff

#0f47ff
hex#0f47ff
rgbrgb(15, 71, 255)
hslhsl(226, 100%, 53%)
oklchoklch(0.513 0.273 264.3)
Closest name: C64 Blue (#003aff)Relative luminance 0.1183

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffc70f

#0fbfff · #4f0fff

#ff0f47 · #47ff0f

Split-complementary

Open in tool →

#ff4f0f · #bfff0f

#ff0fbf · #ffc70f · #0fff4f

Contrast

#0f47ff as textRatioAAAA largeAAAFix
Aaon white
6.24:1passpassfail
  • AAA: use #003afa as the text (7.03:1)
Aaon black
3.37:1failpassfail
  • AA: use #3867ff as the text (4.55:1)
  • AAA: use #7092ff as the text (7.24:1)
  • AA: or shift the background to #dbdbdb (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f47ff as the background.

Brands using this color

Fonts for this mood

#0f47ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f47ff
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 #0f47ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f47ff-9ca1c4-df774e-221f2d-e9eff1?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