Color

#40628c

#40628c
hex#40628c
rgbrgb(64, 98, 140)
hslhsl(213, 37%, 40%)
oklchoklch(0.489 0.079 254.3)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1172

Colors that go with #40628c

Charcoal, Sea Green and Sienna 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 →

#8c6a40

#40888c · #44408c

#8c4062 · #628c40

Split-complementary

Open in tool →

#8c4440 · #888c40

#8c4088 · #8c6a40 · #408c44

Contrast

#40628c as textRatioAAAA largeAAAFix
Aaon white
6.28:1passpassfail
Aaon black
3.34:1failpassfail
  • AA: use #4f78ab as the text (4.61:1)
  • AAA: use #7798c0 as the text (7.04:1)
  • AA: or shift the background to #dbdbdb (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40628c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#40628c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40628c
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 #40628c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40628c-9ca9c4-df584e-1f202d-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