Color

#d52907

#d52907
hex#d52907
rgbrgb(213, 41, 7)
hslhsl(10, 94%, 43%)
oklchoklch(0.565 0.21 32.1)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1575

Colors that go with #d52907

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 →

#07b2d5

#d5074b · #d59007

#07d529 · #2907d5

Split-complementary

Open in tool →

#07d590 · #074bd5

#4bd507 · #07b2d5 · #9007d5

Contrast

#d52907 as textRatioAAAA largeAAAFix
Aaon white
5.06:1passpassfail
  • AAA: use #ad2105 as the text (7.01:1)
Aaon black
4.15:1failpassfail
  • AA: use #e42c07 as the text (4.66:1)
  • AAA: use #f96648 as the text (7.02:1)
  • AA: or shift the background to #f2f2f2 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d52907 as the background.

Brands using this color

Fonts for this mood

#d52907 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d52907
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 #d52907 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d52907-c4a79c-62cbaa-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