Color

#405259

#405259
hex#405259
rgbrgb(64, 82, 89)
hslhsl(197, 16%, 30%)
oklchoklch(0.426 0.025 223.6)
Closest name: All Nighter (#455454)Relative luminance 0.0785

Colors that go with #405259

Blue, Cadet Blue and Champagne 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 →

#594740

#405953 · #404659

#594052 · #525940

Split-complementary

Open in tool →

#594046 · #595340

#534059 · #594740 · #465940

Contrast

#405259 as textRatioAAAA largeAAAFix
Aaon white
8.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.57:1failfailfail
  • AA: use #607b85 as the text (4.67:1)
  • AAA: use #8099a3 as the text (7:1)
  • AA: or shift the background to #c2c2c2 (4.59:1)
  • AAA: or shift the background to #f0f0f0 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #405259 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#405259 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #405259
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 #405259 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/405259-9cb4c4-df4e6b-1f232d-e9f1ef?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