# #045cb4

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

## Values

- Hex: `#045cb4`
- RGB: rgb(4, 92, 180)
- HSL: hsl(210, 96%, 36%)
- OKLCH: oklch(0.482 0.157 255.2)
- Relative luminance: 0.1098
- Nearest named color: Denim (#1560bd, Δ 1.919) — https://brandsweets.com/colors/denim
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/045cb4

## Tints & shades

- Tints (toward white): #046bd2, #057af0, #1e8cfa, #3c9cfb, #5aabfc, #78bafc, #96c9fd, #b9dbfe, #d7ebfe, #f5faff
- Shades (toward black): #0354a5, #034d96, #034282, #023b73, #023364, #022b55, #012446, #011a32, #011223, #000a14

## Harmonies

- Complementary: #b45c04
- Analogous: #04b4b4, #0404b4
- Triadic: #b4045c, #5cb404
- Split-complementary: #b40404, #b4b404
- Tetradic: #b404b4, #b45c04, #04b404

## Colors that go with #045cb4

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 #045cb4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-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
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #045cb4 — 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 #045cb4 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 #045cb4 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 #045cb4, 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 #045cb4: 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 #045cb4: 4 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 #045cb4: 6 real palettes, including Apple's brand system and Coursera's brand system, as the supporting colour. Seen in: Apple (https://brandsweets.com/colors/brands/apple-com), Coursera (https://brandsweets.com/colors/brands/coursera-org), Venmo (https://brandsweets.com/colors/brands/venmo-com), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 6.57:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0357aa (7.12:1)
- On black (#000000): 3.2:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #0573e1 (4.55:1); AA: background → #d6d6d6 (4.52:1); AAA: text → #3799fb (7.11:1)

## Brands using this color

- **Hasbro** — secondary #005eb8 (Δ 0.781) — https://brandsweets.com/colors/brands/hasbro-com
- **Target : Expect More. Pay Less.** — accent #005fb8 (Δ 0.968) — https://brandsweets.com/colors/brands/target-com
- **American Express** — secondary #005dae (Δ 1.038) — https://brandsweets.com/colors/brands/americanexpress-com
- **Chase** — primary #045cbb (Δ 1.116) — https://brandsweets.com/colors/brands/chase-com
- **Costco** — accent #005dab (Δ 1.512) — https://brandsweets.com/colors/brands/costco-com
- **Dairy Queen** — secondary #005baa (Δ 1.624) — https://brandsweets.com/colors/brands/dairyqueen-com
- **Costco** — secondary #005daa (Δ 1.671) — https://brandsweets.com/colors/brands/costco-com
- **Dell** — secondary #0063b8 (Δ 1.943) — https://brandsweets.com/colors/brands/dell-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/045cb4-9cabc4-df514e-1f202d-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: "#045cb4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.