Color

#213950

#213950
hex#213950
rgbrgb(33, 57, 80)
hslhsl(209, 42%, 22%)
oklchoklch(0.336 0.051 248.6)
Closest name: Astral Nomad (#203943)Relative luminance 0.0383

Colors that go with #213950

Dark Olive Green, Teal and Sienna 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 →

#503721

#21504f · #212150

#502139 · #395021

Split-complementary

Open in tool →

#502121 · #504f21

#4f2150 · #503721 · #215021

Contrast

#213950 as textRatioAAAA largeAAAFix
Aaon white
11.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #467aaa as the text (4.62:1)
  • AAA: use #6e9ac4 as the text (7.08:1)
  • AA: or shift the background to #a1a1a1 (4.6:1)
  • AAA: or shift the background to #c7c7c7 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #213950 as the background.

Brands using this color

Fonts for this mood

#213950 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #213950
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 #213950 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/213950-9cacc4-df4e4e-1f212d-e9f1f1?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