Color

#210a02

#210a02
hex#210a02
rgbrgb(33, 10, 2)
hslhsl(15, 89%, 7%)
oklchoklch(0.18 0.044 44.8)
Closest name: Italian Roast (#221111)Relative luminance 0.0054

Tints & shades

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

Harmonies

Complementary

Open in tool →

#021a22

#22020a · #221a02

#02220a · #0a0222

Split-complementary

Open in tool →

#02221a · #020a22

#0a2202 · #021a22 · #1a0222

Contrast

#210a02 as textRatioAAAA largeAAAFix
Aaon white
18.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.11:1failfailfail
  • AA: use #d9400d as the text (4.69:1)
  • AAA: use #f46c3e as the text (7.06:1)
  • AA: or shift the background to #7d7d7d (4.6:1)
  • AAA: or shift the background to #9e9e9e (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #210a02 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

#210a02 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #210a02
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 #210a02 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/210a02-c4ab9c-62cbb2-2d291f-f1e9eb?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