# firebrick (#b22222)

A CSS color — warm, vivid, playful, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#b22222`
- RGB: rgb(178, 34, 34)
- HSL: hsl(0, 68%, 42%)
- OKLCH: oklch(0.497 0.18 26.8)
- Relative luminance: 0.1072
- Name: firebrick (`firebrick`, source: css)
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/firebrick

## Tints & shades

- Tints (toward white): #ce2727, #d93636, #de4f4f, #e26565, #e77e7e, #eb9898, #efaeae, #f4c7c7, #f8dddd, #fdf6f6
- Shades (toward black): #a31f1f, #921c1c, #851919, #741616, #631313, #511010, #400c0c, #330a0a, #220707, #110303

## Harmonies

- Complementary: #22b4b4
- Analogous: #b4226b, #b46b22
- Triadic: #22b422, #2222b4
- Split-complementary: #22b46b, #226bb4
- Tetradic: #6bb422, #22b4b4, #6b22b4

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 6.68:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ab2121 (7.07:1)
- On black (#000000): 3.14:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #d93636 (4.53:1); AA: background → #d4d4d4 (4.5:1); AAA: text → #e57676 (7.18:1)

## Brands using this color

- **Twilio** — accent #b10f23 (Δ 1.797) — https://brandsweets.com/colors/brands/twilio-com

## Curated palettes containing it

- **Newsprint** (editorial, muted, warm) — #b91c1c, #78716c, #d97706, #f5f1ea, #1c1917 — Ink-black on warm paper with a single red — the broadsheet hierarchy that lets typography lead. — tool: https://brandsweets.com/palettes/new/b91c1c-78716c-d97706-f5f1ea-1c1917 — collection: https://brandsweets.com/palettes/editorial

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/b22222-c4a19c-62cb98-2d251f-f1e9ed?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#b22222" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.