# #0f5d8a

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

## Values

- Hex: `#0f5d8a`
- RGB: rgb(15, 93, 138)
- HSL: hsl(202, 80%, 30%)
- OKLCH: oklch(0.458 0.101 241.2)
- Relative luminance: 0.0977
- Nearest named color: Blue Velvet (#0d6183, Δ 1.89) — https://brandsweets.com/colors/blue-velvet
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/0f5d8a

## Tints & shades

- Tints (toward white): #1372aa, #1688ca, #199be6, #3aa9e9, #5ab7ed, #7ac5f0, #9ad3f4, #b6dff7, #d6edfa, #f6fbfe
- Shades (toward black): #0e547c, #0d4d73, #0b4465, #0a3e5c, #09354e, #072b40, #062537, #051c29, #041620, #020c12

## Harmonies

- Complementary: #8a3c0f
- Analogous: #0f8a79, #0f208a
- Triadic: #8a0f5d, #5d8a0f
- Split-complementary: #8a0f20, #8a790f
- Tetradic: #790f8a, #8a3c0f, #208a0f

## Colors that go with #0f5d8a

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 #0f5d8a: softer than #000 and cool enough to feel like part of the same palette. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Amazon (https://brandsweets.com/colors/brands/amazon-com), Pampers (https://brandsweets.com/colors/brands/pampers-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #0f5d8a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Motorola (https://brandsweets.com/colors/brands/motorola-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Stripe (https://brandsweets.com/colors/brands/stripe), Xbox (https://brandsweets.com/colors/brands/xbox-com). — https://brandsweets.com/colors/royalblue
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #0f5d8a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Dyson (https://brandsweets.com/colors/brands/dyson-com). — https://brandsweets.com/colors/sienna
- **Amber** #ffbf00 [pool] — Amber is paired with #0f5d8a in 5 real palettes, including McDonald's's brand system and Lemon Squeezy's brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 6 real palettes, including Tesco's brand system and CVS's brand system put Blue beside #0f5d8a, as the supporting colour. Seen in: Tesco (https://brandsweets.com/colors/brands/tesco-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #0f5d8a in 16 real palettes, including Costco's brand system and Walgreens's brand system, as the lead colour. Seen in: Costco (https://brandsweets.com/colors/brands/costco-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #0f5d8a: 4 real palettes, including Venmo's brand system and Lamborghini's brand system, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #0f5d8a: 7 real palettes, including Wendy's's brand system and AT&T's brand system, as the supporting colour. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), AT&T (https://brandsweets.com/colors/brands/att-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), Fireside (https://brandsweets.com/palettes/dark#fireside). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 7.11:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.95:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #147cb8 (4.6:1); AA: background → #cfcfcf (4.56:1); AAA: text → #1e9de6 (7.02:1); AAA: background → #ffffff (7.11:1)

## Brands using this color

- **Motorola** — accent #0d5c91 (Δ 1.26) — https://brandsweets.com/colors/brands/motorola-com
- **Capital One** — secondary #255f82 (Δ 1.985) — https://brandsweets.com/colors/brands/capitalone-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- luxury: https://brandsweets.com/fonts/mood/luxury
- 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/0f5d8a-9cb1c4-df4e5f-1f222d-e9f1f0?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: "#0f5d8a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.