# #0f43d2

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#0f43d2`
- RGB: rgb(15, 67, 210)
- HSL: hsl(224, 87%, 44%)
- OKLCH: oklch(0.46 0.224 263.9)
- Relative luminance: 0.0877
- Nearest named color: Lapis on Neptune (#1f22d2, Δ 5.17) — https://brandsweets.com/colors/lapis-on-neptune
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0f43d2

## Tints & shades

- Tints (toward white): #104aea, #285ef0, #4070f2, #5d85f4, #7597f5, #8da9f7, #a9bef9, #c1d0fb, #dee6fd, #f5f8fe
- Shades (toward black): #0d3dbf, #0c37ac, #0b3099, #092a86, #082472, #071e5f, #05184c, #041239, #030c26, #010613

## Harmonies

- Complementary: #d29e0f
- Analogous: #0fa4d2, #3c0fd2
- Triadic: #d20f43, #43d20f
- Split-complementary: #d23c0f, #a4d20f
- Tetradic: #d20fa4, #d29e0f, #0fd23c

## Colors that go with #0f43d2

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 text near-black for #0f43d2: softer than #000 and cool enough to feel like part of the same palette. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Campus (https://brandsweets.com/palettes/friendly#campus), UEFA (https://brandsweets.com/colors/brands/uefa-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #0f43d2 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), Chase (https://brandsweets.com/colors/brands/chase-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/crimson
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #0f43d2's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: American Express (https://brandsweets.com/colors/brands/americanexpress-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #0f43d2 in 6 real palettes, including Walmart's brand system and Binance's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), Binance (https://brandsweets.com/colors/brands/binance-com), NBA (https://brandsweets.com/colors/brands/nba-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #0f43d2: 9 real palettes, including Qualcomm's brand system and Gopro's brand system, as the supporting colour. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #0f43d2: 4 real palettes, including Warp's brand system and Kraken's brand system, as the lead colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Kraken (https://brandsweets.com/colors/brands/kraken-com), Elastic (https://brandsweets.com/colors/brands/elastic-co), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #0f43d2: 11 real palettes, including Coursera's brand system and Cargo's brand system, as the supporting colour. Seen in: Coursera (https://brandsweets.com/colors/brands/coursera-org), Cargo (https://brandsweets.com/colors/brands/cargo-site), Readymag (https://brandsweets.com/colors/brands/readymag-com), Samsung (https://brandsweets.com/colors/brands/samsung-com). — https://brandsweets.com/colors/dodgerblue
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #0f43d2: 5 real palettes, including MLB's brand system and 3M's brand system, as the supporting colour. Seen in: MLB (https://brandsweets.com/colors/brands/mlb-com), 3M (https://brandsweets.com/colors/brands/3m-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 7.63:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.75:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3b6cf1 (4.6:1); AA: background → #c7c7c7 (4.51:1); AAA: text → #7093f5 (7.18:1); AAA: background → #f7f7f7 (7.12:1)

## Brands using this color

- **Zillow** — secondary #0444d4 (Δ 0.479) — https://brandsweets.com/colors/brands/zillow-com
- **Oreo** — primary #0047d9 (Δ 1.408) — https://brandsweets.com/colors/brands/oreo-com
- **Zillow** — primary #0443dc (Δ 1.588) — https://brandsweets.com/colors/brands/zillow-com
- **Intel** — primary #0046c8 (Δ 1.702) — https://brandsweets.com/colors/brands/intel-com
- **HP** — accent #024ad8 (Δ 1.744) — https://brandsweets.com/colors/brands/hp-com
- **Behance** — secondary #003ecb (Δ 1.814) — https://brandsweets.com/colors/brands/behance-net
- **MLB** — accent #0048c7 (Δ 1.976) — https://brandsweets.com/colors/brands/mlb-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/0f43d2-9ca2c4-df724e-221f2d-e9eff1?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: "#0f43d2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
