Color

#b90425

#b90425
hex#b90425
rgbrgb(185, 4, 37)
hslhsl(349, 96%, 37%)
oklchoklch(0.497 0.199 23.1)
Closest name: Akai Red (#bc012e)Relative luminance 0.1053

Tints & shades

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

Harmonies

Complementary

Open in tool →

#04b998

#b90480 · #b93d04

#25b904 · #0425b9

Split-complementary

Open in tool →

#04b93d · #0480b9

#80b904 · #04b998 · #3d04b9

Contrast

#b90425 as textRatioAAAA largeAAAFix
Aaon white
6.76:1passpassfail
  • AAA: use #b40424 as the text (7.04:1)
Aaon black
3.11:1failpassfail
  • AA: use #eb052f as the text (4.6:1)
  • AAA: use #fc5f7c as the text (7.07:1)
  • AA: or shift the background to #d4d4d4 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b90425 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b90425 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b90425
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 #b90425 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b90425-c49c9f-62cb85-2d231f-f1e9ee?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