Bright Prelude Blue 31BB 23/340 is a blue paint color from PPG. It has a hex value of #5184BF, LRV 22 and a neutral undertone. Its closest cross-brand match is Cobalt Glow from Valspar (nearly identical), with 49 more equivalents across other brands.
Ref. #5184BF · 31BB 23/340
Bright Prelude Blue
22%LRV Value
NeutralUndertone
Bright Prelude Blue Technical Profile
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.
Bright Prelude Blue in Every Brand
The closest equivalent to Bright Prelude Blue in each major paint brand, ranked by how close the match reads. Always verify with a physical sample. How we calculate match accuracy →
PPGBright Prelude Blue
Nearly identical
ValsparCobalt Glow
Cobalt Glow
Valspar
Nearly identical
Blueberry Patch
Behr
Nearly identical
Safe Harbor
Dunn-Edwards
Nearly identical
Endless Summer
Dutch Boy
Nearly identical
Pea Flower Tea
Farrow & Ball
Very similar
Parkwater
Hirshfield's
Very similar
Watertown
Benjamin Moore
Very similar
Light Blue
RAL
Very similar
Perfect Periwinkle
Sherwin-Williams
Very similar
Parkwater
Vista Paint
Very similar
Just Chill
Kilz
Very similar
Comparing these brands? Order peel-and-stick samples of your top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Recommended Pairings
Colors That Work With Bright Prelude Blue
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Bright Prelude Blue
#5184BF
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#7F7DB5
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Bright Prelude Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Bright Prelude 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 PPG Colors
Other PPG colors close to Bright Prelude 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.
Bright Prelude Blue — Frequently Asked Questions
What undertone does Bright Prelude Blue have?
Bright Prelude Blue by PPG has a neutral undertone and sits in the blue color family. The undertone shifts with light — warmer under 2700K bulbs, cleaner and cooler under 4000K daylight — so sample Bright Prelude Blue in your own space before committing.
What colors match Bright Prelude Blue from other brands?
The closest cross-brand equivalents to Bright Prelude Blue are Cobalt Glow by Valspar (a near-identical match), Blueberry Patch by Behr (a near-identical match), Safe Harbor by Dunn-Edwards (a near-identical match) — the best options for getting Bright Prelude Blue's look from a brand your local store carries. Confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Bright Prelude Blue?
Bright Prelude Blue has a Light Reflectance Value (LRV) of 22.0, on a scale where 0 is pure black and 100 is pure white — that makes it a deep, dramatic color best saved for accent walls, dining rooms, and cozy spaces where atmosphere matters more than reflected light.
Explore More with Bright Prelude 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.
Understanding Paint Color Undertones
Why Bright Prelude Blue's neutral undertone matters more than its surface color — and how to read undertones in any paint chip.