Color

#010dbc

#010dbc
hex#010dbc
rgbrgb(1, 13, 188)
hslhsl(236, 99%, 37%)
oklchoklch(0.366 0.244 264.3)
Closest name: mediumblue (#0000cd)Relative luminance 0.0393

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bcaf01

#016bbc · #5201bc

#bc010d · #0dbc01

Split-complementary

Open in tool →

#bc5201 · #6bbc01

#bc016b · #bcaf01 · #01bc52

Contrast

#010dbc as textRatioAAAA largeAAAFix
Aaon white
11.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #5863fe as the text (4.63:1)
  • AAA: use #858dfe as the text (7.24:1)
  • AA: or shift the background to #a1a1a1 (4.55:1)
  • AAA: or shift the background to #c9c9c9 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #010dbc 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

#010dbc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #010dbc
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 #010dbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/010dbc-9e9cc4-df8f4e-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