# #045fb4

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

## Values

- Hex: `#045fb4`
- RGB: rgb(4, 95, 180)
- HSL: hsl(209, 96%, 36%)
- OKLCH: oklch(0.489 0.154 254.1)
- Relative luminance: 0.1151
- Nearest named color: Denim (#1560bd, Δ 1.598) — https://brandsweets.com/colors/denim
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/045fb4

## Tints & shades

- Tints (toward white): #046fd2, #057ef0, #1e90fa, #3c9ffb, #5aaefc, #78bcfc, #96cbfd, #b9dcfe, #d7ebfe, #f5faff
- Shades (toward black): #0357a5, #034f96, #034482, #023d73, #023564, #022d55, #012546, #011a32, #011223, #000b14

## Harmonies

- Complementary: #b45904
- Analogous: #04b4b1, #0407b4
- Triadic: #b4045f, #5fb404
- Split-complementary: #b40407, #b4b104
- Tetradic: #b104b4, #b45904, #07b404

## Colors that go with #045fb4

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 #045fb4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Amazon (https://brandsweets.com/colors/brands/amazon-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #045fb4 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Chase (https://brandsweets.com/colors/brands/chase-com), Costco (https://brandsweets.com/colors/brands/costco-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #045fb4 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 #045fb4 in 7 real palettes, including Warner Bros.'s brand system and McDonald's's brand system, as the accent. Seen in: Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 11 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #045fb4, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #045fb4: 6 real palettes, including Gopro's brand system and Coca-Cola's brand system, as the supporting colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), NBA (https://brandsweets.com/colors/brands/nba-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #045fb4: 6 real palettes, including Venmo's brand system and Deep Water, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Astro (https://brandsweets.com/colors/brands/astro-build), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #045fb4: 6 real palettes, including Apple's brand system and Venmo's brand system, as the supporting colour. Seen in: Apple (https://brandsweets.com/colors/brands/apple-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Coursera (https://brandsweets.com/colors/brands/coursera-org), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 6.36:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0357a5 (7.22:1)
- On black (#000000): 3.3:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #0474dc (4.54:1); AA: background → #d9d9d9 (4.51:1); AAA: text → #329afb (7.15:1)

## Brands using this color

- **Target : Expect More. Pay Less.** — accent #005fb8 (Δ 0.636) — https://brandsweets.com/colors/brands/target-com
- **Hasbro** — secondary #005eb8 (Δ 0.727) — https://brandsweets.com/colors/brands/hasbro-com
- **American Express** — secondary #005dae (Δ 1.089) — https://brandsweets.com/colors/brands/americanexpress-com
- **Dell** — secondary #0063b8 (Δ 1.192) — https://brandsweets.com/colors/brands/dell-com
- **Skechers** — secondary #0063ba (Δ 1.358) — https://brandsweets.com/colors/brands/skechers-com
- **Chase** — primary #045cbb (Δ 1.441) — https://brandsweets.com/colors/brands/chase-com
- **Costco** — accent #005dab (Δ 1.517) — https://brandsweets.com/colors/brands/costco-com
- **Costco** — secondary #005daa (Δ 1.666) — https://brandsweets.com/colors/brands/costco-com
- **Dairy Queen** — secondary #005baa (Δ 1.885) — https://brandsweets.com/colors/brands/dairyqueen-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/045fb4-9cacc4-df4e4e-1f212d-e9f1f1?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: "#045fb4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.