Color

#1b2127

#1b2127
hex#1b2127
rgbrgb(27, 33, 39)
hslhsl(210, 18%, 13%)
oklchoklch(0.244 0.014 248.4)
Closest name: Sunken Ship (#10252a)Relative luminance 0.0147

Tints & shades

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

Harmonies

Complementary

Open in tool →

#27211b

#1b2727 · #1b1b27

#271b21 · #21271b

Split-complementary

Open in tool →

#271b1b · #27271b

#271b27 · #27211b · #1b271b

Contrast

#1b2127 as textRatioAAAA largeAAAFix
Aaon white
16.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #62788d as the text (4.59:1)
  • AAA: use #8799ab as the text (7.17:1)
  • AA: or shift the background to #878787 (4.52:1)
  • AAA: or shift the background to #ababab (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b2127 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1b2127 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b2127
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 #1b2127 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b2127-9cabc4-df514e-1f202d-e9f1f1?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