# #5565aa

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

## Values

- Hex: `#5565aa`
- RGB: rgb(85, 101, 170)
- HSL: hsl(229, 33%, 50%)
- OKLCH: oklch(0.526 0.11 272.3)
- Relative luminance: 0.1414
- Nearest named color: Bellflower (#5d66aa, Δ 1.168) — https://brandsweets.com/colors/bellflower
- Moods: cool, muted
- Page: https://brandsweets.com/colors/5565aa

## Tints & shades

- Tints (toward white): #6674b2, #7784bb, #8590c1, #969fca, #a7afd3, #b8bedb, #c9cee4, #d6daea, #e7e9f3, #f8f9fc
- Shades (toward black): #4d5b99, #46538b, #3e497a, #37416d, #2e365c, #262c4b, #1f243d, #161a2c, #0f121f, #07080e

## Harmonies

- Complementary: #aa9a55
- Analogous: #558faa, #7055aa
- Triadic: #aa5565, #65aa55
- Split-complementary: #aa7055, #8faa55
- Tetradic: #aa558f, #aa9a55, #55aa70

## Colors that go with #5565aa

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 #5565aa: softer than #000 and cool enough to feel like part of the same palette. Seen in: 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), Amazon (https://brandsweets.com/colors/brands/amazon-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #5565aa — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com). — https://brandsweets.com/colors/seagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #5565aa in 8 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), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 6 real palettes, including Pixar's brand system and Activision's brand system put Blue beside #5565aa, as the accent. Seen in: Pixar (https://brandsweets.com/colors/brands/pixar-com), Activision (https://brandsweets.com/colors/brands/activision-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #5565aa: 10 real palettes, including Fintech Trust and General Mills's brand system, as the lead colour. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #5565aa in 16 real palettes, including Marvel's brand system and Netflix's brand system, as the accent. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #5565aa: 5 real palettes, including Venmo's brand system and Astro's brand system, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Astro (https://brandsweets.com/colors/brands/astro-build), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #5565aa: 5 real palettes, including Venmo's brand system and Apple's brand system, as the lead colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Apple (https://brandsweets.com/colors/brands/apple-com), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), ASUS (https://brandsweets.com/colors/brands/asus-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 5.49:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #48558e (7.08:1)
- On black (#000000): 3.83:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #6371b0 (4.52:1); AA: background → #ebebeb (4.6:1); AAA: text → #8893c3 (7.01:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/5565aa-9c9fc4-df7e4e-231f2d-e9eef1?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: "#5565aa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.