Color

#40824b

#40824b
hex#40824b
rgbrgb(64, 130, 75)
hslhsl(130, 34%, 38%)
oklchoklch(0.548 0.108 147.6)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1756

Colors that go with #40824b

Charcoal, Royal Blue and Dark Orchid 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 →

#824077

#568240 · #40826c

#4b4082 · #824b40

Split-complementary

Open in tool →

#6c4082 · #824056

#405682 · #824077 · #826c40

Contrast

#40824b as textRatioAAAA largeAAAFix
Aaon white
4.65:1passpassfail
  • AAA: use #316339 as the text (7.06:1)
Aaon black
4.51:1passpassfail
  • AAA: use #52a761 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40824b as the background.

Brands using this color

mcpConnect your agent — build around #40824b
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 #40824b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40824b-a2beaa-b14edf-1f2d28-ecf1e9?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