Color

#210042

#210042
hex#210042
rgbrgb(33, 0, 66)
hslhsl(270, 100%, 13%)
oklchoklch(0.208 0.112 299.1)
Closest name: Your Darkness (#220044)Relative luminance 0.0072

Tints & shades

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

Harmonies

Complementary

Open in tool →

#214200

#000042 · #420042

#422100 · #004221

Split-complementary

Open in tool →

#424200 · #004200

#420000 · #214200 · #004242

Contrast

#210042 as textRatioAAAA largeAAAFix
Aaon white
18.37:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #9e3dff as the text (4.57:1)
  • AAA: use #ba75ff as the text (7.08:1)
  • AA: or shift the background to #808080 (4.65:1)
  • AAA: or shift the background to #a1a1a1 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #210042 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

#210042 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #210042
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 #210042 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/210042-b59cc4-c9cb62-2c1f2d-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