Color

#d52f15

#d52f15
hex#d52f15
rgbrgb(213, 47, 21)
hslhsl(8, 82%, 46%)
oklchoklch(0.569 0.205 31.6)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1623

Colors that go with #d52f15

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 →

#15bcd5

#d5155c · #d58f15

#15d52f · #2f15d5

Split-complementary

Open in tool →

#15d58f · #155cd5

#5cd515 · #15bcd5 · #8f15d5

Contrast

#d52f15 as textRatioAAAA largeAAAFix
Aaon white
4.95:1passpassfail
  • AAA: use #a72511 as the text (7.2:1)
Aaon black
4.25:1failpassfail
  • AA: use #df3116 as the text (4.59:1)
  • AAA: use #ef705d as the text (7.15:1)
  • AA: or shift the background to #f5f5f5 (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 #d52f15 as the background.

Brands using this color

Fonts for this mood

#d52f15 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d52f15
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 #d52f15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d52f15-c4a69c-62cba6-2d271f-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