Color

#e01039

#e01039
hex#e01039
rgbrgb(224, 16, 57)
hslhsl(348, 87%, 47%)
oklchoklch(0.577 0.227 21)
Closest name: crimson (#dc143c)Relative luminance 0.1651

Colors that go with #e01039

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 →

#10e0b6

#e010a2 · #e04e10

#39e010 · #1039e0

Split-complementary

Open in tool →

#10e04e · #10a2e0

#a2e010 · #10e0b6 · #4e10e0

Contrast

#e01039 as textRatioAAAA largeAAAFix
Aaon white
4.88:1passpassfail
  • AAA: use #b00c2d as the text (7.15:1)
Aaon black
4.3:1failpassfail
  • AA: use #ea103c as the text (4.64:1)
  • AAA: use #f46683 as the text (7.07:1)
  • AA: or shift the background to #f7f7f7 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e01039 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#e01039 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e01039
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 #e01039 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e01039-c49c9f-62cb83-2d231f-f1e9ef?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