Color

#101d23

#101d23
hex#101d23
rgbrgb(16, 29, 35)
hslhsl(199, 37%, 10%)
oklchoklch(0.222 0.022 228.6)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0111

Tints & shades

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

Harmonies

Complementary

Open in tool →

#231610

#10231f · #101423

#23101d · #1d2310

Split-complementary

Open in tool →

#231014 · #231f10

#1f1023 · #231610 · #142310

Contrast

#101d23 as textRatioAAAA largeAAAFix
Aaon white
17.18:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #457d96 as the text (4.63:1)
  • AAA: use #659eb8 as the text (7.14:1)
  • AA: or shift the background to #858585 (4.66:1)
  • AAA: or shift the background to #a6a6a6 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #101d23 as the background.

Brands using this color

Fonts for this mood

#101d23 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #101d23
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 #101d23 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/101d23-9cb3c4-df4e66-1f232d-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