Color

#800037

#800037
hex#800037
rgbrgb(128, 0, 55)
hslhsl(334, 100%, 25%)
oklchoklch(0.385 0.155 6)
Closest name: Bordeaux (#7b002c)Relative luminance 0.0487

Tints & shades

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

Harmonies

Complementary

Open in tool →

#008048

#800077 · #800800

#378000 · #003780

Split-complementary

Open in tool →

#008009 · #007780

#778000 · #008048 · #080080

Contrast

#800037 as textRatioAAAA largeAAAFix
Aaon white
10.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #e60063 as the text (4.54:1)
  • AAA: use #ff57a0 as the text (7.12:1)
  • AA: or shift the background to #ababab (4.63:1)
  • AAA: or shift the background to #d4d4d4 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #800037 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

#800037 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #800037
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 #800037 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/800037-c49ca9-62cb6b-2d1f1f-f1e9f0?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