Color

#418bfb

#418bfb
hex#418bfb
rgbrgb(65, 139, 251)
hslhsl(216, 96%, 62%)
oklchoklch(0.647 0.183 258.7)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2655

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbb141

#41e9fb · #5441fb

#fb418b · #8bfb41

Split-complementary

Open in tool →

#fb5441 · #e9fb41

#fb41e9 · #fbb141 · #41fb54

Contrast

#418bfb as textRatioAAAA largeAAAFix
Aaon white
3.33:1failpassfail
  • AA: use #0f6dfa as the text (4.58:1)
  • AAA: use #0450c3 as the text (7.14:1)
  • AA: or shift the background to #262626 (4.55:1)
Aaon black
6.31:1passpassfail
  • AAA: use #5095fb as the text (7.03:1)

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

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/418bfb-9ca7c4-df5f4e-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