Color

#05313d

#05313d
hex#05313d
rgbrgb(5, 49, 61)
hslhsl(193, 85%, 13%)
oklchoklch(0.291 0.05 221.1)
Closest name: Nordic Noir (#003344)Relative luminance 0.0257

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d1105

#053d2d · #05153d

#3d0531 · #313d05

Split-complementary

Open in tool →

#3d0515 · #3d2d05

#2d053d · #3d1105 · #153d05

Contrast

#05313d as textRatioAAAA largeAAAFix
Aaon white
13.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.51:1failfailfail
  • AA: use #0d80a0 as the text (4.61:1)
  • AAA: use #10a2cb as the text (7.05:1)
  • AA: or shift the background to #949494 (4.58:1)
  • AAA: or shift the background to #bababa (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #05313d 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

#05313d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05313d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #05313d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05313d-a2b5be-df4e75-1f242d-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