Color

#d01b33

#d01b33
hex#d01b33
rgbrgb(208, 27, 51)
hslhsl(352, 77%, 46%)
oklchoklch(0.55 0.209 22.4)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1443

Colors that go with #d01b33

Charcoal, Royal Blue and Steel 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 →

#1bd0b8

#d01b8d · #d05d1b

#33d01b · #1b33d0

Split-complementary

Open in tool →

#1bd05d · #1b8dd0

#8dd01b · #1bd0b8 · #5d1bd0

Contrast

#d01b33 as textRatioAAAA largeAAAFix
Aaon white
5.4:1passpassfail
  • AAA: use #ac162a as the text (7.24:1)
Aaon black
3.89:1failpassfail
  • AA: use #e2223b as the text (4.53:1)
  • AAA: use #ec6f7f as the text (7.15:1)
  • AA: or shift the background to #ebebeb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d01b33 as the background.

Brands using this color

Fonts for this mood

#d01b33 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d01b33
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 #d01b33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d01b33-c49c9d-62cb8a-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