Color

#310d2d

#310d2d
hex#310d2d
rgbrgb(49, 13, 45)
hslhsl(307, 58%, 12%)
oklchoklch(0.234 0.075 332.3)
Closest name: Dark Prom Queen (#2b0f2e)Relative luminance 0.0113

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0d3011

#230d30 · #300d1a

#2c300d · #0d2c30

Split-complementary

Open in tool →

#1a300d · #0d3023

#30230d · #0d3011 · #0d1a30

Contrast

#310d2d as textRatioAAAA largeAAAFix
Aaon white
17.13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #c534b5 as the text (4.53:1)
  • AAA: use #d86ecc as the text (7.02:1)
  • AA: or shift the background to #858585 (4.64:1)
  • AAA: or shift the background to #a6a6a6 (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 #310d2d 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

#310d2d reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #310d2d
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 #310d2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/310d2d-c19fb9-89cb62-2d1f26-eee9f1?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