Color

#210ab2

#210ab2
hex#210ab2
rgbrgb(33, 10, 178)
hslhsl(248, 89%, 37%)
oklchoklch(0.362 0.228 270.7)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0375

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9cb20a

#0a48b2 · #750ab2

#b2210a · #0ab221

Split-complementary

Open in tool →

#b2750a · #48b20a

#b20a48 · #9cb20a · #0ab275

Contrast

#210ab2 as textRatioAAAA largeAAAFix
Aaon white
11.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #705bf5 as the text (4.5:1)
  • AAA: use #9687f8 as the text (7.12:1)
  • AA: or shift the background to #a1a1a1 (4.64:1)
  • AAA: or shift the background to #c7c7c7 (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 #210ab2 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

#210ab2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #210ab2
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 #210ab2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/210ab2-a69cc4-dfac4e-271f2d-e9ecf1?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