Color

#1005eb

#1005eb
hex#1005eb
rgbrgb(16, 5, 235)
hslhsl(243, 96%, 47%)
oklchoklch(0.429 0.291 265.4)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0622

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dfeb05

#056ceb · #8305eb

#eb1005 · #05eb10

Split-complementary

Open in tool →

#eb8305 · #6ceb05

#eb056c · #dfeb05 · #05eb83

Contrast

#1005eb as textRatioAAAA largeAAAFix
Aaon white
9.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #675ffc as the text (4.62:1)
  • AAA: use #8d87fd as the text (7.02:1)
  • AA: or shift the background to #b5b5b5 (4.57:1)
  • AAA: or shift the background to #e0e0e0 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1005eb as the background.

Brands using this color

Fonts for this mood

#1005eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1005eb
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 #1005eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1005eb-a39cc4-dfa04e-261f2d-e9edf1?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