Color

#1a41cb

#1a41cb
hex#1a41cb
rgbrgb(26, 65, 203)
hslhsl(227, 77%, 45%)
oklchoklch(0.452 0.216 265.3)
Closest name: Denim (#2243b6)Relative luminance 0.0831

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cba51a

#1a99cb · #4c1acb

#cb1a41 · #41cb1a

Split-complementary

Open in tool →

#cb4c1a · #99cb1a

#cb1a99 · #cba51a · #1acb4c

Contrast

#1a41cb as textRatioAAAA largeAAAFix
Aaon white
7.89:1passpasspassPasses AAA — no fix needed.
Aaon black
2.66:1failfailfail
  • AA: use #4a6ce8 as the text (4.6:1)
  • AAA: use #7891ed as the text (7.07:1)
  • AA: or shift the background to #c4c4c4 (4.52:1)
  • AAA: or shift the background to #f2f2f2 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a41cb as the background.

Brands using this color

Fonts for this mood

#1a41cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a41cb
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 #1a41cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a41cb-9ca0c4-df7a4e-221f2d-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