Color

#1b271c

#1b271c
hex#1b271c
rgbrgb(27, 39, 28)
hslhsl(125, 18%, 13%)
oklchoklch(0.258 0.026 146.9)
Closest name: Underworld (#1e231c)Relative luminance 0.0177

Tints & shades

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

Harmonies

Complementary

Open in tool →

#271b26

#20271b · #1b2722

#1c1b27 · #271c1b

Split-complementary

Open in tool →

#221b27 · #271b20

#1b2027 · #271b26 · #27221b

Contrast

#1b271c as textRatioAAAA largeAAAFix
Aaon white
15.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #587e5b as the text (4.55:1)
  • AAA: use #78a17b as the text (7.18:1)
  • AA: or shift the background to #8c8c8c (4.61:1)
  • AAA: or shift the background to #b0b0b0 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b271c 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

#1b271c reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b271c
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 #1b271c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b271c-a2bea7-a54edf-1f2d26-ecf1e9?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