Color

#081591

#081591
hex#081591
rgbrgb(8, 21, 145)
hslhsl(234, 90%, 30%)
oklchoklch(0.317 0.192 265.8)
Closest name: Everlasting Night (#000099)Relative luminance 0.0263

Tints & shades

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

Harmonies

Complementary

Open in tool →

#918408

#085a91 · #3f0891

#910815 · #159108

Split-complementary

Open in tool →

#913f08 · #5a9108

#91085a · #918408 · #08913f

Contrast

#081591 as textRatioAAAA largeAAAFix
Aaon white
13.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #5565f6 as the text (4.58:1)
  • AAA: use #818df8 as the text (7.1:1)
  • AA: or shift the background to #949494 (4.54:1)
  • AAA: or shift the background to #bababa (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #081591 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

#081591 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #081591
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 #081591 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/081591-9d9cc4-df8a4e-241f2d-e9eef1?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