Color

#031f2a

#031f2a
hex#031f2a
rgbrgb(3, 31, 42)
hslhsl(197, 87%, 9%)
oklchoklch(0.224 0.04 227.7)
Closest name: Midnight Dreams (#002233)Relative luminance 0.0117

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b0e03

#032b22 · #030c2b

#2b0320 · #202b03

Split-complementary

Open in tool →

#2b030c · #2b2203

#22032b · #2b0e03 · #0c2b03

Contrast

#031f2a as textRatioAAAA largeAAAFix
Aaon white
17.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #0c7eac as the text (4.6:1)
  • AAA: use #0fa2db as the text (7.21:1)
  • AA: or shift the background to #858585 (4.61:1)
  • AAA: or shift the background to #a8a8a8 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #031f2a 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

#031f2a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #031f2a
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 #031f2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/031f2a-9cb4c4-df4e6b-1f232d-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