# #738bb5

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

## Values

- Hex: `#738bb5`
- RGB: rgb(115, 139, 181)
- HSL: hsl(218, 31%, 58%)
- OKLCH: oklch(0.634 0.069 261.4)
- Relative luminance: 0.2545
- Nearest named color: Galactic Gossamer (#7f8cb8, Δ 1.718) — https://brandsweets.com/colors/galactic-gossamer
- Moods: cool, muted
- Page: https://brandsweets.com/colors/738bb5

## Tints & shades

- Tints (toward white): #8096bc, #8da1c3, #9bacca, #a8b7d1, #b6c2d8, #c3cddf, #d0d8e6, #dee3ed, #ebeef4, #f8f9fb
- Shades (toward black): #627dac, #536e9d, #4a628c, #3f5478, #374968, #2e3d57, #232f43, #1a2332, #10151e, #07090d

## Harmonies

- Complementary: #b59d73
- Analogous: #73acb5, #7c73b5
- Triadic: #b5738b, #8bb573
- Split-complementary: #b57c73, #acb573
- Tetradic: #b573ac, #b59d73, #73b57c

## Colors that go with #738bb5

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 #738bb5: 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 #738bb5 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 #738bb5 in 7 real palettes, including Beach Hut and Wired's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wired (https://brandsweets.com/colors/brands/wired-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #738bb5: 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 #738bb5 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 #738bb5: 6 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), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #738bb5: 13 real palettes, including Dusk and Open House, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Gopro (https://brandsweets.com/colors/brands/gopro-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/denim
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #738bb5 in 4 real palettes, including Indigo SaaS and Olympics's brand system, as the accent. Seen in: Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Olympics (https://brandsweets.com/colors/brands/olympics-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/mediumseagreen

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

- On white (#ffffff): 3.45:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #5875a7 (4.65:1); AA: background → #242424 (4.5:1); AAA: text → #43597f (7.06:1)
- On black (#000000): 6.09:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8096bc (7.01:1)

## Curated palettes containing it

- **Dusty Blue** (wedding, cool, muted, calm) — #6f8faf, #b9c7d6, #d6b39c, #f9fafb, #26313d — Dusty blue and mist with a nude accent — the quiet wedding palette; nothing here competes with a photograph. — tool: https://brandsweets.com/palettes/new/6f8faf-b9c7d6-d6b39c-f9fafb-26313d — collection: https://brandsweets.com/palettes/wedding

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/738bb5-9ca6c4-df644e-201f2d-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: "#738bb5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.