Color

#0013bd

#0013bd
hex#0013bd
rgbrgb(0, 19, 189)
hslhsl(234, 100%, 37%)
oklchoklch(0.371 0.243 264.2)
Closest name: mediumblue (#0000cd)Relative luminance 0.0414

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bdaa00

#0071bd · #4b00bd

#bd0013 · #13bd00

Split-complementary

Open in tool →

#bd4b00 · #71bd00

#bd0071 · #bdaa00 · #00bd4b

Contrast

#0013bd as textRatioAAAA largeAAAFix
Aaon white
11.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.83:1failfailfail
  • AA: use #5263ff as the text (4.59:1)
  • AAA: use #808cff as the text (7.11:1)
  • AA: or shift the background to #a3a3a3 (4.55:1)
  • AAA: or shift the background to #cccccc (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0013bd 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

#0013bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0013bd
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 #0013bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0013bd-9d9cc4-df8a4e-241f2d-e9eef1?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