Color

#21476e

#21476e
hex#21476e
rgbrgb(33, 71, 110)
hslhsl(210, 54%, 28%)
oklchoklch(0.39 0.08 251.1)
Closest name: Blue Funk (#2d4470)Relative luminance 0.0596

Colors that go with #21476e

Teal, Blue and Cadet 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 →

#6e4721

#216e6e · #21216e

#6e2147 · #476e21

Split-complementary

Open in tool →

#6e2121 · #6e6e21

#6e216e · #6e4721 · #216e21

Contrast

#21476e as textRatioAAAA largeAAAFix
Aaon white
9.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.19:1failfailfail
  • AA: use #3778b9 as the text (4.55:1)
  • AAA: use #669cd1 as the text (7.24:1)
  • AA: or shift the background to #b3b3b3 (4.57:1)
  • AAA: or shift the background to #dedede (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #21476e as the background.

Brands using this color

Fonts for this mood

#21476e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #21476e
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 #21476e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/21476e-9cabc4-df514e-1f202d-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