Color

#d8030a

#d8030a
hex#d8030a
rgbrgb(216, 3, 10)
hslhsl(358, 97%, 43%)
oklchoklch(0.555 0.226 28.6)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1469

Tints & shades

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

Harmonies

Complementary

Open in tool →

#03d8d1

#d80375 · #d86703

#0ad803 · #030ad8

Split-complementary

Open in tool →

#03d867 · #0375d8

#75d803 · #03d8d1 · #6703d8

Contrast

#d8030a as textRatioAAAA largeAAAFix
Aaon white
5.33:1passpassfail
  • AAA: use #b50309 as the text (7.04:1)
Aaon black
3.94:1failpassfail
  • AA: use #ec040b as the text (4.59:1)
  • AAA: use #fd6368 as the text (7.16:1)
  • AA: or shift the background to #ededed (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 #d8030a as the background.

Brands using this color

Fonts for this mood

#d8030a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d8030a
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 #d8030a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d8030a-c49f9c-62cb95-2d251f-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