Color

#133eec

#133eec
hex#133eec
rgbrgb(19, 62, 236)
hslhsl(228, 85%, 50%)
oklchoklch(0.48 0.259 265)
Closest name: C64 Blue (#003aff)Relative luminance 0.0964

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ecc113

#13abec · #5413ec

#ec133e · #3eec13

Split-complementary

Open in tool →

#ec5413 · #abec13

#ec13ab · #ecc113 · #13ec54

Contrast

#133eec as textRatioAAAA largeAAAFix
Aaon white
7.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.93:1failfailfail
  • AA: use #4769f0 as the text (4.55:1)
  • AAA: use #768ff4 as the text (7.01:1)
  • AA: or shift the background to #cfcfcf (4.6:1)
  • AAA: or shift the background to #ffffff (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #133eec 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

#133eec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #133eec
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 #133eec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/133eec-9c9fc4-df7c4e-231f2d-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