Color

#011f38

#011f38
hex#011f38
rgbrgb(1, 31, 56)
hslhsl(207, 96%, 11%)
oklchoklch(0.233 0.06 247.4)
Closest name: Midnight Mirage (#001f3f)Relative luminance 0.0127

Tints & shades

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

Harmonies

Complementary

Open in tool →

#371901

#013734 · #010437

#37011f · #1f3701

Split-complementary

Open in tool →

#370104 · #373401

#340137 · #371901 · #043701

Contrast

#011f38 as textRatioAAAA largeAAAFix
Aaon white
16.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #0478d7 as the text (4.67:1)
  • AAA: use #239afb as the text (7.09:1)
  • AA: or shift the background to #858585 (4.54:1)
  • AAA: or shift the background to #a8a8a8 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #011f38 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#011f38 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #011f38
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 #011f38 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/011f38-9cadc4-df4e53-1f212d-e9f1f1?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