Color

#d52801

#d52801
hex#d52801
rgbrgb(213, 40, 1)
hslhsl(11, 99%, 42%)
oklchoklch(0.564 0.211 32.4)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1567

Colors that go with #d52801

Charcoal, Royal Blue and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#01aed5

#d50144 · #d59201

#01d528 · #2801d5

Split-complementary

Open in tool →

#01d592 · #0144d5

#44d501 · #01aed5 · #9201d5

Contrast

#d52801 as textRatioAAAA largeAAAFix
Aaon white
5.08:1passpassfail
  • AAA: use #ad2001 as the text (7.04:1)
Aaon black
4.13:1failpassfail
  • AA: use #e42b01 as the text (4.64:1)
  • AAA: use #fe6543 as the text (7.16:1)
  • AA: or shift the background to #f2f2f2 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d52801 as the background.

Brands using this color

Fonts for this mood

#d52801 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d52801
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #d52801 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d52801-c4a89c-62cbab-2d281f-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