Color

#2d4058

#2d4058
hex#2d4058
rgbrgb(45, 64, 88)
hslhsl(213, 32%, 26%)
oklchoklch(0.366 0.048 254.7)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0493

Colors that go with #2d4058

Dark Olive Green, Sea Green and Teal 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 →

#58442d

#2d5558 · #2f2d58

#582d40 · #40582d

Split-complementary

Open in tool →

#582f2d · #55582d

#582d55 · #58442d · #2d582f

Contrast

#2d4058 as textRatioAAAA largeAAAFix
Aaon white
10.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #5579a5 as the text (4.66:1)
  • AAA: use #7c98bb as the text (7.07:1)
  • AA: or shift the background to #ababab (4.6:1)
  • AAA: or shift the background to #d4d4d4 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d4058 as the background.

Brands using this color

Fonts for this mood

#2d4058 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d4058
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 #2d4058 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d4058-9ca9c4-df584e-1f202d-e9f0f1?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