Color

#419bfb

#419bfb
hex#419bfb
rgbrgb(65, 155, 251)
hslhsl(211, 96%, 62%)
oklchoklch(0.681 0.166 252.7)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3153

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fba141

#41f8fb · #4441fb

#fb419b · #9bfb41

Split-complementary

Open in tool →

#fb4441 · #f8fb41

#fb41f8 · #fba141 · #41fb44

Contrast

#419bfb as textRatioAAAA largeAAAFix
Aaon white
2.87:1failfailfail
  • AA: use #0572e6 as the text (4.61:1)
  • AAA: use #0456af as the text (7.11:1)
  • AA: or shift the background to #303030 (4.59:1)
  • AAA: or shift the background to #050505 (7.09:1)
Aaon black
7.31:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #419bfb 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

#419bfb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #419bfb
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 #419bfb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/419bfb-9cabc4-df534e-1f202d-e9f1f1?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