Color

#5b151a

#5b151a
hex#5b151a
rgbrgb(91, 21, 26)
hslhsl(356, 63%, 22%)
oklchoklch(0.317 0.101 21.3)
Closest name: Cherry Picking (#620b15)Relative luminance 0.0284

Tints & shades

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

Harmonies

Complementary

Open in tool →

#155b57

#5b153d · #5b3315

#195b15 · #15195b

Split-complementary

Open in tool →

#155b33 · #153d5b

#3d5b15 · #155b57 · #33155b

Contrast

#5b151a as textRatioAAAA largeAAAFix
Aaon white
13.4:1passpasspassPasses AAA — no fix needed.
Aaon black
1.57:1failfailfail
  • AA: use #d33c46 as the text (4.5:1)
  • AAA: use #e0767d as the text (7.06:1)
  • AA: or shift the background to #969696 (4.53:1)
  • AAA: or shift the background to #bdbdbd (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b151a 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

#5b151a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b151a
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 #5b151a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b151a-c49e9c-62cb91-2d241f-f1e9ee?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