Color

#1b1e23

#1b1e23
hex#1b1e23
rgbrgb(27, 30, 35)
hslhsl(218, 13%, 12%)
oklchoklch(0.234 0.011 260.7)
Closest name: Night Demons (#201b20)Relative luminance 0.0128

Tints & shades

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

Harmonies

Complementary

Open in tool →

#23201b

#1b2223 · #1c1b23

#231b1e · #1e231b

Split-complementary

Open in tool →

#231c1b · #22231b

#231b22 · #23201b · #1b231c

Contrast

#1b1e23 as textRatioAAAA largeAAAFix
Aaon white
16.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #6a768a as the text (4.57:1)
  • AAA: use #8f98a8 as the text (7.22:1)
  • AA: or shift the background to #858585 (4.53:1)
  • AAA: or shift the background to #a8a8a8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b1e23 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1b1e23 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b1e23
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 #1b1e23 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b1e23-9ca6c4-df644e-201f2d-e9f0f1?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