Color

#418ffb

#418ffb
hex#418ffb
rgbrgb(65, 143, 251)
hslhsl(215, 96%, 62%)
oklchoklch(0.656 0.178 257.3)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2773

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbae41

#41ecfb · #5141fb

#fb418f · #8ffb41

Split-complementary

Open in tool →

#fb5141 · #ecfb41

#fb41ec · #fbae41 · #41fb51

Contrast

#418ffb as textRatioAAAA largeAAAFix
Aaon white
3.21:1failpassfail
  • AA: use #0a6efa as the text (4.54:1)
  • AAA: use #0451be as the text (7.18:1)
  • AA: or shift the background to #292929 (4.54:1)
Aaon black
6.55:1passpassfail
  • AAA: use #5097fb as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #418ffb 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

#418ffb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #418ffb
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 #418ffb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/418ffb-9ca8c4-df5d4e-201f2d-e9f0f1?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