Color

#031b26

#031b26
hex#031b26
rgbrgb(3, 27, 38)
hslhsl(199, 85%, 8%)
oklchoklch(0.209 0.037 230.7)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0094

Tints & shades

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

Harmonies

Complementary

Open in tool →

#260e03

#03261f · #030926

#26031b · #1b2603

Split-complementary

Open in tool →

#260309 · #261f03

#1f0326 · #260e03 · #092603

Contrast

#031b26 as textRatioAAAA largeAAAFix
Aaon white
17.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #0e7caf as the text (4.52:1)
  • AAA: use #12a1e2 as the text (7.22:1)
  • AA: or shift the background to #828282 (4.6:1)
  • AAA: or shift the background to #a3a3a3 (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 #031b26 as the background.

Brands using this color

Fonts for this mood

#031b26 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #031b26
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 #031b26 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/031b26-9cb3c4-df4e66-1f232d-e9f1f0?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