Color

#c01638

#c01638
hex#c01638
rgbrgb(192, 22, 56)
hslhsl(348, 79%, 42%)
oklchoklch(0.519 0.198 19)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1207

Colors that go with #c01638

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 →

#16c09e

#c0168d · #c04916

#38c016 · #1638c0

Split-complementary

Open in tool →

#16c049 · #168dc0

#8dc016 · #16c09e · #4916c0

Contrast

#c01638 as textRatioAAAA largeAAAFix
Aaon white
6.15:1passpassfail
  • AAA: use #ad1433 as the text (7.18:1)
Aaon black
3.41:1failpassfail
  • AA: use #e41b43 as the text (4.54:1)
  • AAA: use #ee6d87 as the text (7.17:1)
  • AA: or shift the background to #dedede (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c01638 as the background.

Brands using this color

Fonts for this mood

#c01638 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c01638
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 #c01638 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c01638-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