Color

#420175

#420175
hex#420175
rgbrgb(66, 1, 117)
hslhsl(274, 98%, 23%)
oklchoklch(0.314 0.165 301)
Closest name: indigo (#4b0082)Relative luminance 0.0246

Tints & shades

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

Harmonies

Complementary

Open in tool →

#337401

#090174 · #74016c

#744201 · #017442

Split-complementary

Open in tool →

#6c7401 · #017409

#740901 · #337401 · #016c74

Contrast

#420175 as textRatioAAAA largeAAAFix
Aaon white
14.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #a635fd as the text (4.55:1)
  • AAA: use #c172fe as the text (7.11:1)
  • AA: or shift the background to #949494 (4.64:1)
  • AAA: or shift the background to #b8b8b8 (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 #420175 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

#420175 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #420175
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 #420175 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/420175-b79cc4-c2cb62-2d1f2d-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