Color

#1b2428

#1b2428
hex#1b2428
rgbrgb(27, 36, 40)
hslhsl(198, 19%, 13%)
oklchoklch(0.253 0.015 226.7)
Closest name: Black Pearl (#1e272c)Relative luminance 0.0165

Tints & shades

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

Harmonies

Complementary

Open in tool →

#271f1b

#1b2725 · #1b1d27

#271b24 · #24271b

Split-complementary

Open in tool →

#271b1d · #27251b

#251b27 · #271f1b · #1d271b

Contrast

#1b2428 as textRatioAAAA largeAAAFix
Aaon white
15.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #5b7986 as the text (4.52:1)
  • AAA: use #7d9aa6 as the text (7.04:1)
  • AA: or shift the background to #8a8a8a (4.58:1)
  • AAA: or shift the background to #adadad (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b2428 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1b2428 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b2428
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 #1b2428 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b2428-9cb3c4-df4e69-1f232d-e9f1f0?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