# #e53d34

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

## Values

- Hex: `#e53d34`
- RGB: rgb(229, 61, 52)
- HSL: hsl(3, 77%, 55%)
- OKLCH: oklch(0.612 0.206 28.1)
- Relative luminance: 0.2024
- Nearest named color: Bacon Strips (#df3f32, Δ 1.165) — https://brandsweets.com/colors/bacon-strips
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e53d34

## Tints & shades

- Tints (toward white): #e74e46, #ea645d, #ec756f, #ef8681, #f29c97, #f4ada9, #f6bebb, #f9d0cd, #fbe5e4, #fef6f6
- Shades (toward black): #e2271d, #cb231a, #b51f17, #9e1b15, #871712, #6c130e, #560f0b, #3f0b08, #290705, #120302

## Harmonies

- Complementary: #34dce5
- Analogous: #e53483, #e59534
- Triadic: #34e53d, #3d34e5
- Split-complementary: #34e595, #3483e5
- Tetradic: #83e534, #34dce5, #9534e5

## Colors that go with #e53d34

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

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #e53d34: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Audi (https://brandsweets.com/colors/brands/audi-com), Logitech (https://brandsweets.com/colors/brands/logitech-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #e53d34 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Vercel (https://brandsweets.com/colors/brands/vercel), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #e53d34 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Netflix (https://brandsweets.com/colors/brands/netflix), Coinbase (https://brandsweets.com/colors/brands/coinbase), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #e53d34: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wired (https://brandsweets.com/colors/brands/wired-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #e53d34 in 7 real palettes, including Google's brand system and McDonald's's brand system, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wired (https://brandsweets.com/colors/brands/wired-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Doordash's brand system and native Cybersecurity's brand system put Blue beside #e53d34, as the accent. Seen in: Doordash (https://brandsweets.com/colors/brands/doordash-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Glossier (https://brandsweets.com/colors/brands/glossier-com), Gap (https://brandsweets.com/colors/brands/gap-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #e53d34: 5 real palettes, including Walgreens's brand system and NASA's brand system, as the accent. Seen in: Walgreens (https://brandsweets.com/colors/brands/walgreens-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Tide (https://brandsweets.com/colors/brands/tide-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #e53d34: 19 real palettes, including ElevenLabs's brand system and McDonald's's brand system, as the accent. Seen in: ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Costco (https://brandsweets.com/colors/brands/costco-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.16:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e22b22 (4.56:1); AA: background → #121212 (4.5:1); AAA: text → #ac1e16 (7.12:1)
- On black (#000000): 5.05:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ec716a (7.14:1)

## Brands using this color

- **Todoist** — accent #e44232 (Δ 0.784) — https://brandsweets.com/colors/brands/todoist-com
- **Todoist** — primary #e44434 (Δ 0.995) — https://brandsweets.com/colors/brands/todoist-com
- **Todoist** — secondary #e34432 (Δ 1.08) — https://brandsweets.com/colors/brands/todoist-com
- **Google** — secondary #ea4335 (Δ 1.457) — https://brandsweets.com/colors/brands/google-com
- **The Ordinary** — secondary #e83f42 (Δ 1.486) — https://brandsweets.com/colors/brands/theordinary-com
- **Redfin** — secondary #e43c44 (Δ 1.707) — https://brandsweets.com/colors/brands/redfin-com
- **Pizza Hut** — primary #ee3124 (Δ 1.992) — https://brandsweets.com/colors/brands/pizzahut-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/e53d34-c4a39c-62cb9d-2d261f-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: "#e53d34" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.