# #155cb2

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

## Values

- Hex: `#155cb2`
- RGB: rgb(21, 92, 178)
- HSL: hsl(213, 79%, 39%)
- OKLCH: oklch(0.483 0.152 256.4)
- Relative luminance: 0.1103
- Nearest named color: Denim (#1560bd, Δ 1.97) — https://brandsweets.com/colors/denim
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/155cb2

## Tints & shades

- Tints (toward white): #186acd, #1f78e5, #3b89e8, #5699eb, #72aaee, #88b7f1, #a4c8f4, #bfd8f8, #dae9fb, #f6f9fe
- Shades (toward black): #1355a4, #114b92, #104484, #0d3b72, #0c3464, #0a2a52, #082344, #061a32, #041325, #020912

## Harmonies

- Complementary: #b26b15
- Analogous: #15aab2, #1d15b2
- Triadic: #b2155c, #5cb215
- Split-complementary: #b21d15, #aab215
- Tetradic: #b215aa, #b26b15, #15b21d

## Colors that go with #155cb2

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 #155cb2: 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 #155cb2 — 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), Costco (https://brandsweets.com/colors/brands/costco-com), Chase (https://brandsweets.com/colors/brands/chase-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #155cb2 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 #155cb2 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 #155cb2, 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 #155cb2: 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 #155cb2: 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 #155cb2: 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): 6.55:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1457a9 (7.08:1)
- On black (#000000): 3.21:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #1a73e0 (4.57:1); AA: background → #d6d6d6 (4.51:1); AAA: text → #5699eb (7.15:1)

## Brands using this color

- **American Express** — secondary #005dae (Δ 0.98) — https://brandsweets.com/colors/brands/americanexpress-com
- **Hasbro** — secondary #005eb8 (Δ 1.109) — https://brandsweets.com/colors/brands/hasbro-com
- **Target : Expect More. Pay Less.** — accent #005fb8 (Δ 1.208) — https://brandsweets.com/colors/brands/target-com
- **Costco** — accent #005dab (Δ 1.385) — https://brandsweets.com/colors/brands/costco-com
- **Chase** — primary #045cbb (Δ 1.484) — https://brandsweets.com/colors/brands/chase-com
- **Costco** — secondary #005daa (Δ 1.531) — https://brandsweets.com/colors/brands/costco-com
- **Dairy Queen** — secondary #005baa (Δ 1.543) — https://brandsweets.com/colors/brands/dairyqueen-com
- **Dell** — secondary #0063b8 (Δ 1.977) — 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/155cb2-9ca9c4-df584e-1f202d-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: "#155cb2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.