Color

#0f52fa

#0f52fa
hex#0f52fa
rgbrgb(15, 82, 250)
hslhsl(223, 96%, 52%)
oklchoklch(0.525 0.256 263.5)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1304

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fab80f

#0fc7fa · #420ffa

#fa0f52 · #52fa0f

Split-complementary

Open in tool →

#fa420f · #c7fa0f

#fa0fc7 · #fab80f · #0ffa42

Contrast

#0f52fa as textRatioAAAA largeAAAFix
Aaon white
5.82:1passpassfail
  • AAA: use #0543e1 as the text (7.25:1)
Aaon black
3.61:1failpassfail
  • AA: use #326bfb as the text (4.63:1)
  • AAA: use #6993fc as the text (7.18:1)
  • AA: or shift the background to #e3e3e3 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f52fa as the background.

Brands using this color

Fonts for this mood

#0f52fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f52fa
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 #0f52fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f52fa-9ca3c4-df704e-211f2d-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