# #f21843

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

## Values

- Hex: `#f21843`
- RGB: rgb(242, 24, 67)
- HSL: hsl(348, 89%, 52%)
- OKLCH: oklch(0.614 0.238 20.1)
- Relative luminance: 0.1994
- Nearest named color: Barberry (#ee1133, Δ 1.778) — https://brandsweets.com/colors/barberry
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/f21843

## Tints & shades

- Tints (toward white): #f33057, #f44366, #f55b7a, #f76e8a, #f8879d, #f99fb1, #fbb2c0, #fccad4, #fddde4, #fef5f7
- Shades (toward black): #e30d38, #ca0c32, #b70b2d, #9f0927, #870821, #6f061b, #570515, #430411, #2b030b, #130105

## Harmonies

- Complementary: #18f2c6
- Analogous: #f218b0, #f25918
- Triadic: #43f218, #1843f2
- Split-complementary: #18f259, #18b0f2
- Tetradic: #b0f218, #18f2c6, #5918f2

## Colors that go with #f21843

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 #f21843: 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), Logitech (https://brandsweets.com/colors/brands/logitech-com), Audi (https://brandsweets.com/colors/brands/audi-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Dodger Blue** #1e90ff [harmony, pool: triadic] — Dodger Blue completes a triad with #f21843 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Databricks (https://brandsweets.com/colors/brands/databricks-com), Google (https://brandsweets.com/colors/brands/google-com), Figma (https://brandsweets.com/colors/brands/figma), Replit (https://brandsweets.com/colors/brands/replit). — https://brandsweets.com/colors/dodgerblue
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #f21843: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Netflix (https://brandsweets.com/colors/brands/netflix), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), 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 #f21843: 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), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #f21843 in 7 real palettes, including Wired's brand system and Google's brand system, as the accent. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), Google (https://brandsweets.com/colors/brands/google-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including native Cybersecurity's brand system and Doordash's brand system put Blue beside #f21843, as the accent. Seen in: native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Gap (https://brandsweets.com/colors/brands/gap-com), Glossier (https://brandsweets.com/colors/brands/glossier-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #f21843: 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 #f21843: 18 real palettes, including ElevenLabs's brand system and Costco's brand system, as the accent. Seen in: ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), Costco (https://brandsweets.com/colors/brands/costco-com), L'Oréal (https://brandsweets.com/colors/brands/loreal-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.21:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e70d39 (4.65:1); AA: background → #0f0f0f (4.55:1); AAA: text → #b20a2c (7.06:1)
- On black (#000000): 4.99:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f66582 (7.1:1)

## Brands using this color

- **Wise** — primary #f4243b (Δ 1.514) — https://brandsweets.com/colors/brands/wise-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/f21843-c49c9f-62cb83-2d231f-f1e9ef?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: "#f21843" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.