Color

#213273

#213273
hex#213273
rgbrgb(33, 50, 115)
hslhsl(228, 55%, 29%)
oklchoklch(0.344 0.114 268.7)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0384

Tints & shades

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

Harmonies

Complementary

Open in tool →

#736221

#215a73 · #3a2173

#732132 · #327321

Split-complementary

Open in tool →

#733a21 · #5a7321

#73215a · #736221 · #21733a

Contrast

#213273 as textRatioAAAA largeAAAFix
Aaon white
11.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #5971cf as the text (4.69:1)
  • AAA: use #8192da as the text (7.06:1)
  • AA: or shift the background to #a1a1a1 (4.6:1)
  • AAA: or shift the background to #c7c7c7 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #213273 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

#213273 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #213273
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 #213273 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/213273-9c9fc4-df7c4e-231f2d-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