Color

#213e82

#213e82
hex#213e82
rgbrgb(33, 62, 130)
hslhsl(222, 60%, 32%)
oklchoklch(0.383 0.12 264.1)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0538

Colors that go with #213e82

Steel Blue, Blue and Crimson 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 →

#836521

#216f83 · #342183

#83213e · #3e8321

Split-complementary

Open in tool →

#833421 · #6f8321

#83216f · #836521 · #218334

Contrast

#213e82 as textRatioAAAA largeAAAFix
Aaon white
10.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.08:1failfailfail
  • AA: use #4771d1 as the text (4.55:1)
  • AAA: use #7897dd as the text (7.27:1)
  • AA: or shift the background to #adadad (4.51:1)
  • AAA: or shift the background to #d9d9d9 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #213e82 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#213e82 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #213e82
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 #213e82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/213e82-9ca3c4-df6e4e-211f2d-e9eff1?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