Color

#1c171a

#1c171a
hex#1c171a
rgbrgb(28, 23, 26)
hslhsl(324, 10%, 10%)
oklchoklch(0.212 0.01 341.2)
Closest name: Bats Cloak (#1f1518)Relative luminance 0.0093

Tints & shades

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

Harmonies

Complementary

Open in tool →

#171c19

#1c171c · #1c1717

#1a1c17 · #171a1c

Split-complementary

Open in tool →

#171c17 · #171c1c

#1c1c17 · #171c19 · #17171c

Contrast

#1c171a as textRatioAAAA largeAAAFix
Aaon white
17.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #876e7d as the text (4.56:1)
  • AAA: use #a5929e as the text (7.21:1)
  • AA: or shift the background to #828282 (4.6:1)
  • AAA: or shift the background to #a3a3a3 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c171a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1c171a reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c171a
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 #1c171a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c171a-c19faf-6bcb62-2d1f22-f0e9f1?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