Color

#38183e

#38183e
hex#38183e
rgbrgb(56, 24, 62)
hslhsl(291, 44%, 17%)
oklchoklch(0.274 0.078 321.1)
Closest name: Nightly Voyager (#391531)Relative luminance 0.0184

Colors that go with #38183e

Charcoal, Dark Olive Green and Sea Green 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 →

#1e3e18

#26183e · #3e1831

#3e3918 · #183e39

Split-complementary

Open in tool →

#313e18 · #183e26

#3e2618 · #1e3e18 · #18313e

Contrast

#38183e as textRatioAAAA largeAAAFix
Aaon white
15.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #aa4fba as the text (4.54:1)
  • AAA: use #c17ecd as the text (7.13:1)
  • AA: or shift the background to #8c8c8c (4.56:1)
  • AAA: or shift the background to #b0b0b0 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #38183e 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

#38183e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #38183e
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 #38183e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/38183e-bf9fc1-a4cb62-2d1f29-ece9f1?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