# #738bba

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

## Values

- Hex: `#738bba`
- RGB: rgb(115, 139, 186)
- HSL: hsl(220, 34%, 59%)
- OKLCH: oklch(0.636 0.076 263.4)
- Relative luminance: 0.2566
- Nearest named color: Galactic Gossamer (#7f8cb8, Δ 1.656) — https://brandsweets.com/colors/galactic-gossamer
- Moods: cool, muted
- Page: https://brandsweets.com/colors/738bba

## Tints & shades

- Tints (toward white): #8196c1, #8ea1c7, #9cadce, #aab8d5, #b7c3dc, #c1cce1, #cfd7e7, #dde3ee, #eaeef5, #f8f9fc
- Shades (toward black): #627cb2, #516da4, #486193, #3e547e, #36486d, #2c3b59, #232f48, #192233, #111722, #07090e

## Harmonies

- Complementary: #baa273
- Analogous: #73aeba, #7f73ba
- Triadic: #ba738b, #8bba73
- Split-complementary: #ba7f73, #aeba73
- Tetradic: #ba73ae, #baa273, #73ba7f

## Colors that go with #738bba

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 #738bba: softer than #000 and cool enough to feel like part of the same palette. Seen in: Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Plaid (https://brandsweets.com/colors/brands/plaid-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #738bba on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Atelier (https://brandsweets.com/palettes/elegant#atelier), Notion (https://brandsweets.com/colors/brands/notion), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Amber** #ffbf00 [pool] — Amber is paired with #738bba in 9 real palettes, including Beach Hut and Blueprint, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Wired (https://brandsweets.com/colors/brands/wired-com), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #738bba: 5 real palettes, including Hershey's's brand system and Blue Mono, as the supporting colour. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Glacier (https://brandsweets.com/palettes/cool#glacier), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #738bba in 6 real palettes, including Retro Pop and Marvel's brand system, as the lead colour. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Marvel (https://brandsweets.com/colors/brands/marvel-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #738bba: 8 real palettes, including Telegram's brand system and Astro's brand system, as the lead colour. Seen in: Telegram (https://brandsweets.com/colors/brands/telegram-org), Astro (https://brandsweets.com/colors/brands/astro-build), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #738bba: 13 real palettes, including Dusk and Gopro's brand system, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Gopro (https://brandsweets.com/colors/brands/gopro-com), Open House (https://brandsweets.com/palettes/clean#open-house), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/denim
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #738bba in 5 real palettes, including Olympics's brand system and Indigo SaaS, as the accent. Seen in: Olympics (https://brandsweets.com/colors/brands/olympics-com), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Terminal (https://brandsweets.com/palettes/technical#terminal), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/mediumseagreen

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

- On white (#ffffff): 3.43:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #5874ad (4.65:1); AA: background → #242424 (4.53:1); AAA: text → #425885 (7.08:1)
- On black (#000000): 6.13:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8196c1 (7.07:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/738bba-9ca5c4-df694e-211f2d-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: "#738bba" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.