Color

#d1210a

#d1210a
hex#d1210a
rgbrgb(209, 33, 10)
hslhsl(7, 91%, 43%)
oklchoklch(0.552 0.211 30.8)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1466

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0abad1

#d10a56 · #d1850a

#0ad121 · #210ad1

Split-complementary

Open in tool →

#0ad185 · #0a56d1

#56d10a · #0abad1 · #850ad1

Contrast

#d1210a as textRatioAAAA largeAAAFix
Aaon white
5.34:1passpassfail
  • AAA: use #af1c08 as the text (7.02:1)
Aaon black
3.93:1failpassfail
  • AA: use #e5240b as the text (4.59:1)
  • AAA: use #f76755 as the text (7.03:1)
  • 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 #d1210a as the background.

Brands using this color

Fonts for this mood

#d1210a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d1210a
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 #d1210a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d1210a-c4a59c-62cba4-2d271f-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