Color

#590a8a

#590a8a
hex#590a8a
rgbrgb(89, 10, 138)
hslhsl(277, 86%, 29%)
oklchoklch(0.372 0.184 306)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0418

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3b8a0a

#190a8a · #8a0a7b

#8a590a · #0a8a59

Split-complementary

Open in tool →

#7b8a0a · #0a8a19

#8a190a · #3b8a0a · #0a7b8a

Contrast

#590a8a as textRatioAAAA largeAAAFix
Aaon white
11.44:1passpasspassPasses AAA — no fix needed.
Aaon black
1.84:1failfailfail
  • AA: use #a938f0 as the text (4.51:1)
  • AAA: use #c475f5 as the text (7.21:1)
  • AA: or shift the background to #a3a3a3 (4.54:1)
  • AAA: or shift the background to #cccccc (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #590a8a 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

#590a8a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #590a8a
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 #590a8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/590a8a-b99cc4-bdcb62-2d1f2c-eae9f1?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