Color

#38404c

#38404c
hex#38404c
rgbrgb(56, 64, 76)
hslhsl(216, 15%, 26%)
oklchoklch(0.369 0.023 258.4)
Closest name: Arsenic (#3b444b)Relative luminance 0.0503

Colors that go with #38404c

Blue, Blush Pink and Burlywood 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 →

#4c4438

#384a4c · #3a384c

#4c3840 · #404c38

Split-complementary

Open in tool →

#4c3a38 · #4a4c38

#4c384a · #4c4438 · #384c3a

Contrast

#38404c as textRatioAAAA largeAAAFix
Aaon white
10.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #68778d as the text (4.61:1)
  • AAA: use #8a96a8 as the text (7.01:1)
  • AA: or shift the background to #ababab (4.56:1)
  • AAA: or shift the background to #d4d4d4 (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 #38404c 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

#38404c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #38404c
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 #38404c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/38404c-9ca7c4-df5f4e-201f2d-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