Color

#231d15

#231d15
hex#231d15
rgbrgb(35, 29, 21)
hslhsl(34, 25%, 11%)
oklchoklch(0.235 0.017 74.7)
Closest name: Burnt Coffee (#271b10)Relative luminance 0.0129

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#151b23

#231615 · #222315

#15231d · #1d1523

Split-complementary

Open in tool →

#152223 · #161523

#152316 · #151b23 · #231522

Contrast

#231d15 as textRatioAAAA largeAAAFix
Aaon white
16.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #897152 as the text (4.55:1)
  • AAA: use #ab9373 as the text (7.15:1)
  • AA: or shift the background to #858585 (4.52:1)
  • AAA: or shift the background to #a8a8a8 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #231d15 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#231d15 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #231d15
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #231d15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/231d15-c4b79c-62c2cb-2d2d1f-f1eae9?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