Color

#211ed2

#211ed2
hex#211ed2
rgbrgb(33, 30, 210)
hslhsl(241, 75%, 47%)
oklchoklch(0.416 0.253 268.6)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0591

Colors that go with #211ed2

Charcoal, Crimson and Cornflower Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cfd21e

#1e75d2 · #7b1ed2

#d2211e · #1ed221

Split-complementary

Open in tool →

#d27b1e · #75d21e

#d21e75 · #cfd21e · #1ed27b

Contrast

#211ed2 as textRatioAAAA largeAAAFix
Aaon white
9.63:1passpasspassPasses AAA — no fix needed.
Aaon black
2.18:1failfailfail
  • AA: use #6563e9 as the text (4.51:1)
  • AAA: use #8d8bee as the text (7.06:1)
  • AA: or shift the background to #b3b3b3 (4.59:1)
  • AAA: or shift the background to #dedede (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #211ed2 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

#211ed2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #211ed2
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #211ed2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/211ed2-a19cc4-df9b4e-261f2d-e9edf1?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