# #3b74bf

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

## Values

- Hex: `#3b74bf`
- RGB: rgb(59, 116, 191)
- HSL: hsl(214, 53%, 49%)
- OKLCH: oklch(0.557 0.132 256.2)
- Relative luminance: 0.1718
- Nearest named color: Campanula (#3473b7, Δ 1.442) — https://brandsweets.com/colors/campanula
- Moods: cool, modern
- Page: https://brandsweets.com/colors/3b74bf

## Tints & shades

- Tints (toward white): #4c81c8, #5f8fce, #739dd4, #86aada, #9ab8e0, #a9c3e5, #bdd1eb, #d0def1, #e4ecf7, #f7fafd
- Shades (toward black): #366bb0, #305f9c, #2b558c, #254979, #204069, #1a3456, #162b46, #101f33, #0b1523, #050910

## Harmonies

- Complementary: #bf863b
- Analogous: #3bb6bf, #443bbf
- Triadic: #bf3b74, #74bf3b
- Split-complementary: #bf443b, #b6bf3b
- Tetradic: #bf3bb6, #bf863b, #3bbf44

## Colors that go with #3b74bf

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 #3b74bf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #3b74bf — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Subaru (https://brandsweets.com/colors/brands/subaru-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #3b74bf 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 #3b74bf in 11 real palettes, including Wired's brand system and Lemon Squeezy's brand system, as the accent. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 14 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #3b74bf, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #3b74bf: 12 real palettes, including General Mills's brand system and Hershey's's brand system, as the supporting colour. Seen in: General Mills (https://brandsweets.com/colors/brands/generalmills-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Intel (https://brandsweets.com/colors/brands/intel-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #3b74bf: 6 real palettes, including Coca-Cola's brand system and NBA's brand system, as the supporting colour. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), NBA (https://brandsweets.com/colors/brands/nba-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #3b74bf in 17 real palettes, including NASCAR's brand system and State Farm's brand system, as the supporting colour. Seen in: NASCAR (https://brandsweets.com/colors/brands/nascar-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 4.73:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #2c5890 (7.23:1)
- On black (#000000): 4.44:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3c76c3 (4.57:1); AA: background → #fafafa (4.54:1); AAA: text → #6f9ad3 (7.24:1)

## Brands using this color

- **American Express** — primary #2e77bc (Δ 1.357) — https://brandsweets.com/colors/brands/americanexpress-com
- **Astro** — primary #3178c6 (Δ 1.449) — https://brandsweets.com/colors/brands/astro-build
- **Dollar General** — accent #2a77bd (Δ 1.462) — https://brandsweets.com/colors/brands/dollargeneral-com

## Fonts for this mood

- 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/3b74bf-9ca9c4-df5a4e-1f1f2d-e9f0f1?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: "#3b74bf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.