Color

#408cd4

#408cd4
hex#408cd4
rgbrgb(64, 140, 212)
hslhsl(209, 63%, 54%)
oklchoklch(0.626 0.132 249.7)
Closest name: Blue Jay (#5588dd)Relative luminance 0.246

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d48740

#40d4d1 · #4042d4

#d4408c · #8cd440

Split-complementary

Open in tool →

#d44042 · #d4d140

#d140d4 · #d48740 · #42d440

Contrast

#408cd4 as textRatioAAAA largeAAAFix
Aaon white
3.55:1failpassfail
  • AA: use #2b78bf as the text (4.62:1)
  • AAA: use #215b91 as the text (7.07:1)
  • AA: or shift the background to #212121 (4.54:1)
Aaon black
5.92:1passpassfail
  • AAA: use #599bd9 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #408cd4 as the background.

Brands using this color

Fonts for this mood

#408cd4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #408cd4
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 #408cd4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/408cd4-9cacc4-df4e4e-1f212d-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