Color

#20172b

#20172b
hex#20172b
rgbrgb(32, 23, 43)
hslhsl(267, 30%, 13%)
oklchoklch(0.226 0.04 304.1)
Closest name: Dark Knight (#151931)Relative luminance 0.0109

Tints & shades

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

Harmonies

Complementary

Open in tool →

#222b17

#17182b · #2a172b

#2b2017 · #172b20

Split-complementary

Open in tool →

#2b2a17 · #182b17

#2b1718 · #222b17 · #172b2a

Contrast

#20172b as textRatioAAAA largeAAAFix
Aaon white
17.23:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #8667ad as the text (4.56:1)
  • AAA: use #a38bc1 as the text (7.02:1)
  • AA: or shift the background to #858585 (4.67:1)
  • AAA: or shift the background to #a6a6a6 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #20172b 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

#20172b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #20172b
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 #20172b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20172b-b39cc4-dfda4e-2c1f2d-e9eaf1?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