Color

#3a0971

#3a0971
hex#3a0971
rgbrgb(58, 9, 113)
hslhsl(268, 85%, 24%)
oklchoklch(0.304 0.155 296.4)
Closest name: Galactic Federation (#330077)Relative luminance 0.0229

Tints & shades

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

Harmonies

Complementary

Open in tool →

#417109

#090d71 · #6e0971

#713a09 · #09713a

Split-complementary

Open in tool →

#716e09 · #0d7109

#71090d · #417109 · #09716e

Contrast

#3a0971 as textRatioAAAA largeAAAFix
Aaon white
14.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #994cf0 as the text (4.65:1)
  • AAA: use #b47bf4 as the text (7.08:1)
  • AA: or shift the background to #919191 (4.57:1)
  • AAA: or shift the background to #b5b5b5 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a0971 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

#3a0971 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a0971
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 #3a0971 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a0971-b39cc4-dfdc4e-2c1f2d-e9eaf1?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