Color

#1345fb

#1345fb
hex#1345fb
rgbrgb(19, 69, 251)
hslhsl(227, 97%, 53%)
oklchoklch(0.506 0.27 264.7)
Closest name: C64 Blue (#003aff)Relative luminance 0.1136

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbc913

#13bafb · #5513fb

#fb1345 · #45fb13

Split-complementary

Open in tool →

#fb5513 · #bafb13

#fb13ba · #fbc913 · #13fb55

Contrast

#1345fb as textRatioAAAA largeAAAFix
Aaon white
6.42:1passpassfail
  • AAA: use #0439fb as the text (7.04:1)
Aaon black
3.27:1failpassfail
  • AA: use #4069fc as the text (4.64:1)
  • AAA: use #7290fd as the text (7.12:1)
  • AA: or shift the background to #d9d9d9 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1345fb 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

#1345fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1345fb
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 #1345fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1345fb-9ca0c4-df7a4e-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