Color

#191deb

#191deb
hex#191deb
rgbrgb(25, 29, 235)
hslhsl(239, 84%, 51%)
oklchoklch(0.444 0.281 266.5)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0708

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ebe819

#1986eb · #7f19eb

#eb191d · #1deb19

Split-complementary

Open in tool →

#eb7f19 · #86eb19

#eb1986 · #ebe819 · #19eb7f

Contrast

#191deb as textRatioAAAA largeAAAFix
Aaon white
8.69:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #5f62f1 as the text (4.5:1)
  • AAA: use #8a8bf5 as the text (7.09:1)
  • AA: or shift the background to #bdbdbd (4.63:1)
  • AAA: or shift the background to #e8e8e8 (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 #191deb 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

#191deb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #191deb
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 #191deb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/191deb-a09cc4-df964e-251f2d-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