Newsprint
Open in tool →Ink-black on warm paper with a single red — the broadsheet hierarchy that lets typography lead.
Color
#ba2103
#ba2103
hex
#ba2103rgb
rgb(186, 33, 3)hsl
hsl(10, 97%, 37%)oklch
oklch(0.509 0.191 32.1)Closest name: Bloodshed (#ba271a)Relative luminance 0.1153
Colors that go with #ba2103
Royal Blue, Sea Green 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.
Royal Blue #4169e1
triadicshippedRoyal Blue completes a triad with #ba2103 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #ba2103 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Teal #008080
complementaryshippedTeal sits directly opposite #ba2103 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Dark Olive Green #556b2f
shippedDark Olive Green is paired with #ba2103 in 6 real palettes, including Olive Grove and BrandSweets's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #ba2103 in 9 real palettes, including Campbell's's brand system and Nissan's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Gold #ffd700
shippedGold is paired with #ba2103 in 4 real palettes, including Garnet and Lay's's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Slate Gray #708090
shippedSlate Gray is paired with #ba2103 in 5 real palettes, including Newsprint and Noir Beauty, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #ba2103: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Real palettes that use #ba2103
Tints & shades
Harmonies
Contrast
| #ba2103 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.35:1 | pass | pass | fail |
|
Aaon black | 3.31:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ba2103 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#ba2103 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #ba2103
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #ba2103 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/ba2103-c4a79c-62cbaa-2d281f-f1e9ec?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md