Color

#d5301a

#d5301a
hex#d5301a
rgbrgb(213, 48, 26)
hslhsl(7, 78%, 47%)
oklchoklch(0.571 0.204 31.1)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1633

Colors that go with #d5301a

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 →

#1ac0d5

#d51a62 · #d58e1a

#1ad530 · #301ad5

Split-complementary

Open in tool →

#1ad58e · #1a62d5

#62d51a · #1ac0d5 · #8e1ad5

Contrast

#d5301a as textRatioAAAA largeAAAFix
Aaon white
4.92:1passpassfail
  • AAA: use #a82615 as the text (7.11:1)
Aaon black
4.27:1failpassfail
  • AA: use #de321b as the text (4.58:1)
  • AAA: use #eb7060 as the text (7.02:1)
  • AA: or shift the background to #f5f5f5 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d5301a as the background.

Brands using this color

Fonts for this mood

#d5301a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d5301a
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 #d5301a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d5301a-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