Color

#283c3e

#283c3e
hex#283c3e
rgbrgb(40, 60, 62)
hslhsl(185, 22%, 20%)
oklchoklch(0.34 0.026 203.8)
Closest name: Sunken Harbour (#1c3d44)Relative luminance 0.0403

Colors that go with #283c3e

Amber, Blue and Blush Pink 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 →

#3e2a28

#283e35 · #28313e

#3e283c · #3c3e28

Split-complementary

Open in tool →

#3e2831 · #3e3528

#35283e · #3e2a28 · #313e28

Contrast

#283c3e as textRatioAAAA largeAAAFix
Aaon white
11.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #527c80 as the text (4.55:1)
  • AAA: use #709fa4 as the text (7.18:1)
  • AA: or shift the background to #a1a1a1 (4.5:1)
  • AAA: or shift the background to #c9c9c9 (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 #283c3e 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

#283c3e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #283c3e
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 #283c3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/283c3e-a2b8be-df4e88-1f262d-e9f1ee?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