Color

#0a2829

#0a2829
hex#0a2829
rgbrgb(10, 40, 41)
hslhsl(182, 61%, 10%)
oklchoklch(0.255 0.035 198.3)
Closest name: Sunken Ship (#10252a)Relative luminance 0.0174

Tints & shades

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

Harmonies

Complementary

Open in tool →

#290b0a

#0a291b · #0a1829

#290a28 · #28290a

Split-complementary

Open in tool →

#290a18 · #291b0a

#1b0a29 · #290b0a · #18290a

Contrast

#0a2829 as textRatioAAAA largeAAAFix
Aaon white
15.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #218487 as the text (4.72:1)
  • AAA: use #2aa8ac as the text (7.3:1)
  • AA: or shift the background to #8a8a8a (4.51:1)
  • AAA: or shift the background to #b0b0b0 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a2829 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

#0a2829 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a2829
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 #0a2829 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a2829-a2babe-d45990-1f272d-e9f1ee?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