Color

#1a231f

#1a231f
hex#1a231f
rgbrgb(26, 35, 31)
hslhsl(153, 15%, 12%)
oklchoklch(0.246 0.015 166.3)
Closest name: Underworld (#1e231c)Relative luminance 0.0152

Tints & shades

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

Harmonies

Complementary

Open in tool →

#231a1e

#1a231a · #1a2323

#1f1a23 · #231f1a

Split-complementary

Open in tool →

#231a23 · #231a1a

#1a1a23 · #231a1e · #23231a

Contrast

#1a231f as textRatioAAAA largeAAAFix
Aaon white
16.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #5d7e6f as the text (4.68:1)
  • AAA: use #7b9d8e as the text (7.06:1)
  • AA: or shift the background to #8a8a8a (4.66:1)
  • AAA: or shift the background to #ababab (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 #1a231f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1a231f reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a231f
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 #1a231f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a231f-a2beb5-d459cc-1f2d2d-e9f1ea?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