Color

#10091f

#10091f
hex#10091f
rgbrgb(16, 9, 31)
hslhsl(259, 55%, 8%)
oklchoklch(0.164 0.045 295.7)
Closest name: Corbeau (#111122)Relative luminance 0.004

Tints & shades

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

Harmonies

Complementary

Open in tool →

#192009

#090d20 · #1c0920

#201009 · #092010

Split-complementary

Open in tool →

#201c09 · #0d2009

#20090d · #192009 · #09201c

Contrast

#10091f as textRatioAAAA largeAAAFix
Aaon white
19.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.08:1failfailfail
  • AA: use #8461d1 as the text (4.61:1)
  • AAA: use #a388dd as the text (7.12:1)
  • AA: or shift the background to #7a7a7a (4.53:1)
  • AAA: or shift the background to #9c9c9c (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #10091f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#10091f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10091f
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 #10091f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10091f-ad9cc4-dfc74e-2a1f2d-e9ebf1?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