Color

#172a2b

#172a2b
hex#172a2b
rgbrgb(23, 42, 43)
hslhsl(183, 30%, 13%)
oklchoklch(0.269 0.025 200)
Closest name: Black Pearl (#1e272c)Relative luminance 0.0201

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b1817

#172b22 · #17202b

#2b172a · #2a2b17

Split-complementary

Open in tool →

#2b1720 · #2b2217

#22172b · #2b1817 · #202b17

Contrast

#172a2b as textRatioAAAA largeAAAFix
Aaon white
14.97:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #467e81 as the text (4.56:1)
  • AAA: use #59a2a6 as the text (7.14:1)
  • AA: or shift the background to #8f8f8f (4.63:1)
  • AAA: or shift the background to #b3b3b3 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #172a2b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#172a2b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #172a2b
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 #172a2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/172a2b-a2b9be-d4598e-1f262d-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