Color

#d23928

#d23928
hex#d23928
rgbrgb(210, 57, 40)
hslhsl(6, 68%, 49%)
oklchoklch(0.574 0.192 30.2)
Closest name: Bento Box (#cc363c)Relative luminance 0.1678

Tints & shades

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

Harmonies

Complementary

Open in tool →

#28c1d2

#d2286c · #d28e28

#28d239 · #3928d2

Split-complementary

Open in tool →

#28d28e · #286cd2

#6cd228 · #28c1d2 · #8e28d2

Contrast

#d23928 as textRatioAAAA largeAAAFix
Aaon white
4.82:1passpassfail
  • AAA: use #a32c1f as the text (7.15:1)
Aaon black
4.36:1failpassfail
  • AA: use #d73e2d as the text (4.62:1)
  • AAA: use #e3796d as the text (7.22:1)
  • AA: or shift the background to #fafafa (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d23928 as the background.

Brands using this color

Fonts for this mood

#d23928 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d23928
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 #d23928 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d23928-c4a59c-62cba3-2d271f-f1e9ec?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