Color

#c01633

#c01633
hex#c01633
rgbrgb(192, 22, 51)
hslhsl(350, 79%, 42%)
oklchoklch(0.518 0.198 20.7)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1202

Colors that go with #c01633

Royal Blue, Steel Blue and Teal 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 →

#16c0a4

#c01687 · #c04f16

#33c016 · #1633c0

Split-complementary

Open in tool →

#16c04f · #1687c0

#87c016 · #16c0a4 · #4f16c0

Contrast

#c01633 as textRatioAAAA largeAAAFix
Aaon white
6.17:1passpassfail
  • AAA: use #ad142e as the text (7.2:1)
Aaon black
3.4:1failpassfail
  • AA: use #e41b3c as the text (4.52:1)
  • AAA: use #ee6d82 as the text (7.15:1)
  • AA: or shift the background to #dedede (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c01633 as the background.

Brands using this color

Fonts for this mood

#c01633 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c01633
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 #c01633 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c01633-c49c9e-62cb87-2d231f-f1e9ee?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