Color

#402138

#402138
hex#402138
rgbrgb(64, 33, 56)
hslhsl(315, 32%, 19%)
oklchoklch(0.299 0.059 337.3)
Closest name: Castro (#44232f)Relative luminance 0.0246

Colors that go with #402138

Charcoal, Dark Olive Green and Slate Blue 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 →

#214029

#382140 · #402129

#384021 · #213840

Split-complementary

Open in tool →

#294021 · #214038

#403821 · #214029 · #212940

Contrast

#402138 as textRatioAAAA largeAAAFix
Aaon white
14.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #aa5a96 as the text (4.61:1)
  • AAA: use #bf82b0 as the text (7.04:1)
  • AA: or shift the background to #949494 (4.64:1)
  • AAA: or shift the background to #b8b8b8 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #402138 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

#402138 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #402138
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 #402138 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/402138-c19fb4-7bcb62-2d1f24-efe9f1?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