Color

#2a2131

#2a2131
hex#2a2131
rgbrgb(42, 33, 49)
hslhsl(274, 20%, 16%)
oklchoklch(0.265 0.032 309.9)
Closest name: Black Velvet (#222233)Relative luminance 0.018

Tints & shades

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

Harmonies

Complementary

Open in tool →

#283121

#222131 · #312130

#312a21 · #21312a

Split-complementary

Open in tool →

#303121 · #213122

#312221 · #283121 · #213031

Contrast

#2a2131 as textRatioAAAA largeAAAFix
Aaon white
15.44:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #886c9d as the text (4.68:1)
  • AAA: use #a38eb4 as the text (7.09:1)
  • AA: or shift the background to #8c8c8c (4.59:1)
  • AAA: or shift the background to #b0b0b0 (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 #2a2131 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

#2a2131 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a2131
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 #2a2131 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a2131-b79cc4-c2cb62-2d1f2d-eae9f1?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