Color

#0a0949

#0a0949
hex#0a0949
rgbrgb(10, 9, 73)
hslhsl(241, 78%, 16%)
oklchoklch(0.206 0.112 271.5)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0074

Tints & shades

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

Harmonies

Complementary

Open in tool →

#484909

#092849 · #2a0949

#490a09 · #09490a

Split-complementary

Open in tool →

#492a09 · #284909

#490928 · #484909 · #09492a

Contrast

#0a0949 as textRatioAAAA largeAAAFix
Aaon white
18.29:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #6765ec as the text (4.65:1)
  • AAA: use #8f8ef1 as the text (7.31:1)
  • AA: or shift the background to #808080 (4.63:1)
  • AAA: or shift the background to #a1a1a1 (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 #0a0949 as the background.

Brands using this color

Fonts for this mood

#0a0949 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a0949
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 #0a0949 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a0949-a19cc4-df9b4e-261f2d-e9edf1?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