Color

#063e42

#063e42
hex#063e42
rgbrgb(6, 62, 66)
hslhsl(184, 83%, 14%)
oklchoklch(0.333 0.054 202.5)
Closest name: Rich Black (#004040)Relative luminance 0.0388

Colors that go with #063e42

Crimson, Steel Blue 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 →

#410a06

#064128 · #062041

#41063d · #3d4106

Split-complementary

Open in tool →

#410620 · #412806

#280641 · #410a06 · #204106

Contrast

#063e42 as textRatioAAAA largeAAAFix
Aaon white
11.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.78:1failfailfail
  • AA: use #0d848c as the text (4.7:1)
  • AAA: use #10a7b1 as the text (7.18:1)
  • AA: or shift the background to #a1a1a1 (4.58:1)
  • AAA: or shift the background to #c9c9c9 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #063e42 as the background.

Brands using this color

Fonts for this mood

#063e42 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #063e42
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 #063e42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/063e42-a2b9be-df4e8a-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