Color

#0a051a

#0a051a
hex#0a051a
rgbrgb(10, 5, 26)
hslhsl(254, 68%, 6%)
oklchoklch(0.14 0.046 292)
Closest name: Obsidian Shard (#060313)Relative luminance 0.0025

Tints & shades

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

Harmonies

Complementary

Open in tool →

#151a05

#050a1a · #14051a

#1a0a05 · #051a0a

Split-complementary

Open in tool →

#1a1405 · #0a1a05

#1a050a · #151a05 · #051a14

Contrast

#0a051a as textRatioAAAA largeAAAFix
Aaon white
20.01:1passpasspassPasses AAA — no fix needed.
Aaon black
1.05:1failfailfail
  • AA: use #7e60e1 as the text (4.65:1)
  • AAA: use #9e87e8 as the text (7.08:1)
  • AA: or shift the background to #787878 (4.53:1)
  • AAA: or shift the background to #999999 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a051a 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

#0a051a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a051a
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 #0a051a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a051a-aa9cc4-dfbb4e-291f2d-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