# #b02129

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

## Values

- Hex: `#b02129`
- RGB: rgb(176, 33, 41)
- HSL: hsl(357, 68%, 41%)
- OKLCH: oklch(0.493 0.178 24.4)
- Relative luminance: 0.1048
- Nearest named color: firebrick (#b22222, Δ 0.866) — https://brandsweets.com/colors/firebrick
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/b02129

## Tints & shades

- Tints (toward white): #c9262f, #d8313a, #dd4b52, #e2656b, #e77e84, #eb9498, #efaeb1, #f4c7ca, #f8ddde, #fdf6f7
- Shades (toward black): #9f1e25, #921c22, #81181e, #6f151a, #631317, #511013, #400c0f, #2f090b, #220708, #110304

## Harmonies

- Complementary: #21b0a9
- Analogous: #b02170, #b06121
- Triadic: #29b021, #2129b0
- Split-complementary: #21b061, #2170b0
- Tetradic: #70b021, #21b0a9, #6121b0

## Colors that go with #b02129

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #b02129 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Bose (https://brandsweets.com/colors/brands/bose-com), Chase (https://brandsweets.com/colors/brands/chase-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #b02129: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), Honda (https://brandsweets.com/colors/brands/honda-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #b02129 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Redfin (https://brandsweets.com/colors/brands/redfin-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Saffron (https://brandsweets.com/palettes/warm#saffron). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #b02129 in 5 real palettes, including Ember and Maple, as the accent. Seen in: Ember (https://brandsweets.com/palettes/bold#ember), Maple (https://brandsweets.com/palettes/warm#maple), Trailhead (https://brandsweets.com/palettes/warm#trailhead), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Woodsmoke and BrandSweets's brand system put Champagne beside #b02129, as the text colour against it. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Darkroom (https://brandsweets.com/palettes/muted#darkroom), LG (https://brandsweets.com/colors/brands/lg-com). — https://brandsweets.com/colors/champagne
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #b02129: 4 real palettes, including MLB's brand system and Behance's brand system, as the accent. Seen in: MLB (https://brandsweets.com/colors/brands/mlb-com), Behance (https://brandsweets.com/colors/brands/behance-net), Reebok (https://brandsweets.com/colors/brands/reebok-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/cobalt
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #b02129 in 5 real palettes, including Olive Grove and Cider, as the lead colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Cider (https://brandsweets.com/palettes/warm#cider), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/darkolivegreen
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #b02129: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: IHG (https://brandsweets.com/colors/brands/ihg-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 6.78:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ab2128 (7.05:1)
- On black (#000000): 3.1:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #d9363e (4.55:1); AA: background → #d4d4d4 (4.58:1); AAA: text → #e5767b (7.21:1)

## Brands using this color

- **Wendy's** — secondary #b0161f (Δ 1.17) — https://brandsweets.com/colors/brands/wendys-com
- **Twilio** — accent #b10f23 (Δ 1.418) — https://brandsweets.com/colors/brands/twilio-com
- **Chipotle** — primary #ac241c (Δ 1.568) — https://brandsweets.com/colors/brands/chipotle-com

## 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/b02129-c49f9c-62cb93-2d251f-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: "#b02129" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.