Color

#fb2e23

#fb2e23
hex#fb2e23
rgbrgb(251, 46, 35)
hslhsl(3, 96%, 56%)
oklchoklch(0.637 0.238 29.1)
Closest name: Apple Cherry (#f81404)Relative luminance 0.2258

Tints & shades

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

Harmonies

Complementary

Open in tool →

#23f0fb

#fb2384 · #fb9a23

#23fb2e · #2e23fb

Split-complementary

Open in tool →

#23fb9a · #2384fb

#84fb23 · #23f0fb · #9a23fb

Contrast

#fb2e23 as textRatioAAAA largeAAAFix
Aaon white
3.81:1failpassfail
  • AA: use #eb1005 as the text (4.56:1)
  • AAA: use #b40c04 as the text (7.01:1)
  • AA: or shift the background to #1a1a1a (4.57:1)
Aaon black
5.52:1passpassfail
  • AAA: use #fc625a as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fb2e23 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fb2e23 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fb2e23
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 #fb2e23 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fb2e23-c4a39c-62cb9d-2d261f-f1e9ed?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