Color

#5a231b

#5a231b
hex#5a231b
rgbrgb(90, 35, 27)
hslhsl(8, 54%, 23%)
oklchoklch(0.335 0.083 30.4)
Closest name: Bitter Chocolate (#4f2923)Relative luminance 0.0345

Colors that go with #5a231b

Royal Blue, Teal and 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 →

#1b525a

#5a1b32 · #5a431b

#1b5a23 · #231b5a

Split-complementary

Open in tool →

#1b5a43 · #1b325a

#325a1b · #1b525a · #431b5a

Contrast

#5a231b as textRatioAAAA largeAAAFix
Aaon white
12.42:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #c6513f as the text (4.65:1)
  • AAA: use #d57f72 as the text (7.11:1)
  • AA: or shift the background to #9c9c9c (4.52:1)
  • AAA: or shift the background to #c4c4c4 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a231b 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

#5a231b reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a231b
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 #5a231b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a231b-c4a69c-62cba6-2d271f-f1e9ec?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