Color

#e4501b

#e4501b
hex#e4501b
rgbrgb(228, 80, 27)
hslhsl(16, 79%, 50%)
oklchoklch(0.628 0.193 37.8)
Closest name: Baptism by Fire (#e6490b)Relative luminance 0.2231

Colors that go with #e4501b

Cadet Blue, Charcoal and Dodger Blue 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 →

#1bafe4

#e41b4a · #e4b51b

#1be450 · #501be4

Split-complementary

Open in tool →

#1be4b5 · #1b4ae4

#4ae41b · #1bafe4 · #b51be4

Contrast

#e4501b as textRatioAAAA largeAAAFix
Aaon white
3.84:1failpassfail
  • AA: use #cd4818 as the text (4.63:1)
  • AAA: use #9b3712 as the text (7.12:1)
  • AA: or shift the background to #1a1a1a (4.53:1)
Aaon black
5.46:1passpassfail
  • AAA: use #ea7348 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e4501b as the background.

Brands using this color

Fonts for this mood

#e4501b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e4501b
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 #e4501b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e4501b-c4ab9c-62cbb4-2d291f-f1e9eb?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