Sonic Blue is a calming choice — works as both a whole-house neutral when lightened and a dramatic anchor when deepened to navy. At LRV 34 it carries real depth without going dark — a good choice for accent walls, libraries, and rooms with abundant natural light. Skip it in low-light north-facing rooms unless you want a deliberately cool, cocooning effect, since blue can read chilly there.
Ref. #5BA8B9 · T15-11
Sonic Blue
34%LRV Value
Sonic Blue Technical Profile
What color is Behr Sonic Blue (T15-11)? It's a medium cool blue — hex #5BA8B9, LRV 34. The closest cross-brand equivalent to Sonic Blue is Farrow & Ball Lobster — a near-identical match on the wall, with PPG Blue Calypso and Benjamin Moore Spa also close. Its LRV of 34 gives Sonic Blue depth without going dark, which makes it a strong choice for accent walls, libraries, and rooms with abundant natural light. Pair it with cool whites like Chantilly Lace, walnut or rift-cut oak floors, and brushed nickel or polished chrome hardware. Brass accents add warmth for a layered look. At mid saturation, this color sits at a flexible mid-point — bold enough to anchor a room without dominating, and pairs cleanly with both crisp and creamy whites. Blues stay crisp under 4000K+ cool LEDs. Under 2700K warm bulbs they can read grayer or shift slightly purple — particularly true for mid-tone and saturated blues. At mid saturation the lighting shift is moderate but real — sample under both warm-bulb evening light and cool-daylight morning light before committing.
Use this color
Get this color
Some sample and supply links are affiliate links — if you buy through them, Paint Color HQ may earn a small commission at no extra cost to you. It helps keep the site free.
Colors Similar to Sonic Blue
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Sonic Blue
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Sonic Blue
#5BA8B9
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#8090B2
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Sonic Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Sonic Blue Room Palettes
Color schemes built around this color — each swatch links to the closest matching paint.
Warm & Inviting
Warm tones with cozy appeal — welcoming and comfortable
Cool & Calm
Cool hues with soft contrast — serene and restful
Bold Contrast
Complementary hues with punch — dynamic and striking
Similar Behr Colors
Other Behr colors close to Sonic Blue.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Sonic Blue — Frequently Asked Questions
What colors match Sonic Blue from other brands?
The closest cross-brand equivalents to Sonic Blue are Lobster by Farrow & Ball (a near-identical match), Blue Calypso by PPG (a near-identical match), Spa by Benjamin Moore (a near-identical match). These are ranked with the CIEDE2000 color-difference formula, which scores how similar two colors actually look to the eye rather than matching them by name — so they're the best options for getting Sonic Blue's look in a brand your local store carries. Always confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Sonic Blue?
Sonic Blue has a Light Reflectance Value (LRV) of 33.7, on a scale where 0 is pure black and 100 is pure white. That makes it a mid-depth color with real presence — strong on accent walls, libraries, and rooms with good natural light. LRV is the most reliable guide to how light or dark a paint will read in a real room — more dependable than the swatch on your screen, which varies by monitor.
Explore More with Sonic Blue
Related Reading
How to Match Paint Colors Across Brands
The science behind Delta E and CIEDE2000 — find a Behr equivalent of any Sherwin-Williams shade, or a Benjamin Moore alternative when your store is out of stock.
Paint Sheen Guide
Flat, eggshell, satin, or semi-gloss — the right finish for Sonic Blue depends on the room. Here's how to choose.