Color

#10231e

#10231e
hex#10231e
rgbrgb(16, 35, 30)
hslhsl(164, 37%, 10%)
oklchoklch(0.238 0.027 175.1)
Closest name: Underworld (#1e231c)Relative luminance 0.0141

Tints & shades

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

Harmonies

Complementary

Open in tool →

#231015

#102314 · #101f23

#1e1023 · #231e10

Split-complementary

Open in tool →

#23101f · #231410

#141023 · #231015 · #1f2310

Contrast

#10231e as textRatioAAAA largeAAAFix
Aaon white
16.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #3b816f as the text (4.56:1)
  • AAA: use #4ca48d as the text (7:1)
  • AA: or shift the background to #878787 (4.56:1)
  • AAA: or shift the background to #ababab (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #10231e 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

#10231e reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10231e
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 #10231e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10231e-a2beba-d459b5-1f2b2d-e9f1eb?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