Color

#230529

#230529
hex#230529
rgbrgb(35, 5, 41)
hslhsl(290, 78%, 9%)
oklchoklch(0.194 0.076 320.6)
Closest name: Black Sabbath (#220022)Relative luminance 0.0063

Colors that go with #230529

Charcoal, Sienna 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 →

#0b2905

#110529 · #29051d

#292305 · #052923

Split-complementary

Open in tool →

#1d2905 · #052911

#291105 · #0b2905 · #051d29

Contrast

#230529 as textRatioAAAA largeAAAFix
Aaon white
18.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #c21ce3 as the text (4.57:1)
  • AAA: use #d769ec as the text (7.12:1)
  • AA: or shift the background to #7d7d7d (4.53:1)
  • AAA: or shift the background to #a1a1a1 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #230529 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

#230529 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #230529
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 #230529 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/230529-bf9fc1-a6cb62-2d1f29-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