Darkening Sky RH230 is a blue paint color from Kilz. It has a hex value of #3E5382, LRV 9 and a cool (violet) undertone. Its closest cross-brand match is Southern Belle from Benjamin Moore (nearly identical), with 49 more equivalents across other brands.
Ref. #3E5382 · RH230
Darkening Sky
9%LRV Value
Cool (Violet)Undertone
Darkening Sky Technical Profile
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Darkening Sky in Every Brand
The closest equivalent to Darkening Sky in each major paint brand, ranked by how close the match reads. Always verify with a physical sample. How we calculate match accuracy →
KilzDarkening Sky
Nearly identical
Benjamin MooreSouthern Belle
Southern Belle
Benjamin Moore
Nearly identical
Blue Jewel
PPG
Very similar
Mysterious Night
Behr
Very similar
Classic Royal Blue
Valspar
Very similar
Dive In
Dunn-Edwards
Very similar
Morning Glory
Sherwin-Williams
Very similar
Rich Indigo
Dutch Boy
Very similar
Blue Highlight
Hirshfield's
Very similar
Sailor’s Eyes
Vista Paint
Very similar
Brillant Blue
RAL
Very similar
Petal .05
Colorhouse
Visible difference
Blue Maize
Farrow & Ball
Visible difference
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 Darkening Sky
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Darkening Sky
#3E5382
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#6A6093
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Darkening Sky
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Darkening Sky 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 Kilz Colors
Other Kilz colors close to Darkening Sky.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Darkening Sky — Frequently Asked Questions
What undertone does Darkening Sky have?
Darkening Sky by Kilz has a cool (violet) 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 Darkening Sky in your own space before committing.
What colors match Darkening Sky from other brands?
The closest cross-brand equivalents to Darkening Sky are Southern Belle by Benjamin Moore (a near-identical match), Blue Jewel by PPG (a very close match), Blueberry Hill by Benjamin Moore (a very close match) — the best options for getting Darkening Sky'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 Darkening Sky?
Darkening Sky has a Light Reflectance Value (LRV) of 8.8, 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 Darkening Sky
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 Darkening Sky's cool (violet) undertone matters more than its surface color — and how to read undertones in any paint chip.