Color

#063741

#063741
hex#063741
rgbrgb(6, 55, 65)
hslhsl(190, 83%, 14%)
oklchoklch(0.311 0.052 215.4)
Closest name: Nordic Noir (#003344)Relative luminance 0.0315

Colors that go with #063741

Crimson, Rust 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.

Real palettes that use #063741

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#411006

#06412e · #061a41

#410637 · #374106

Split-complementary

Open in tool →

#41061a · #412e06

#2e0641 · #411006 · #1a4106

Contrast

#063741 as textRatioAAAA largeAAAFix
Aaon white
12.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #0e839a as the text (4.73:1)
  • AAA: use #12a6c4 as the text (7.28:1)
  • AA: or shift the background to #999999 (4.52:1)
  • AAA: or shift the background to #bfbfbf (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #063741 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

#063741 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #063741
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 #063741 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/063741-a2b6be-df4e7c-1f252d-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