Color

#408cf7

#408cf7
hex#408cf7
rgbrgb(64, 140, 247)
hslhsl(215, 92%, 61%)
oklchoklch(0.646 0.177 257.6)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2656

Colors that go with #408cf7

Charcoal, Medium Sea Green and Red lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f7ab40

#40e8f7 · #4f40f7

#f7408c · #8cf740

Split-complementary

Open in tool →

#f74f40 · #e8f740

#f740e8 · #f7ab40 · #40f74f

Contrast

#408cf7 as textRatioAAAA largeAAAFix
Aaon white
3.33:1failpassfail
  • AA: use #0f6ff5 as the text (4.55:1)
  • AAA: use #0852ba as the text (7.18:1)
  • AA: or shift the background to #262626 (4.55:1)
Aaon black
6.31:1passpassfail
  • AAA: use #5498f8 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #408cf7 as the background.

Brands using this color

Fonts for this mood

#408cf7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #408cf7
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #408cf7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/408cf7-9ca8c4-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