Color

#134dfb

#134dfb
hex#134dfb
rgbrgb(19, 77, 251)
hslhsl(225, 97%, 53%)
oklchoklch(0.518 0.262 264.2)
Closest name: C64 Blue (#003aff)Relative luminance 0.1241

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbc113

#13c1fb · #4d13fb

#fb134d · #4dfb13

Split-complementary

Open in tool →

#fb4d13 · #c1fb13

#fb13c1 · #fbc113 · #13fb4d

Contrast

#134dfb as textRatioAAAA largeAAAFix
Aaon white
6.03:1passpassfail
  • AAA: use #043ff1 as the text (7.03:1)
Aaon black
3.48:1failpassfail
  • AA: use #3668fc as the text (4.54:1)
  • AAA: use #6d91fd as the text (7.12:1)
  • AA: or shift the background to #e0e0e0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #134dfb as the background.

Brands using this color

Fonts for this mood

#134dfb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #134dfb
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 #134dfb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/134dfb-9ca1c4-df754e-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