Color

#21464f

#21464f
hex#21464f
rgbrgb(33, 70, 79)
hslhsl(192, 41%, 22%)
oklchoklch(0.371 0.045 215.6)
Closest name: Cold and Dark (#154250)Relative luminance 0.0527

Colors that go with #21464f

Steel Blue, 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 →

#4f2a21

#214f41 · #212f4f

#4f2146 · #464f21

Split-complementary

Open in tool →

#4f212f · #4f4121

#41214f · #4f2a21 · #2f4f21

Contrast

#21464f as textRatioAAAA largeAAAFix
Aaon white
10.23:1passpasspassPasses AAA — no fix needed.
Aaon black
2.05:1failfailfail
  • AA: use #3c7f90 as the text (4.63:1)
  • AAA: use #4fa1b5 as the text (7.1:1)
  • AA: or shift the background to #adadad (4.56:1)
  • AAA: or shift the background to #d6d6d6 (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 #21464f as the background.

Brands using this color

Fonts for this mood

#21464f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #21464f
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 #21464f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/21464f-a2b5be-df4e77-1f242d-e9f1ef?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