Cobalt Blue 5013 is a blue paint color from RAL. It has a hex value of #1E213D, LRV 2 and a cool (violet) undertone. Its closest cross-brand match is Starry Sky from Dutch Boy (very similar), with 49 more equivalents across other brands.
Ref. #1E213D · 5013
Cobalt Blue
2%LRV Value
Cool (Violet)Undertone
Cobalt Blue Technical Profile
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Cobalt Blue in Every Brand
The closest equivalent to Cobalt Blue in each major paint brand, ranked by how close the match reads. Always verify with a physical sample. How we calculate match accuracy →
RALCobalt Blue
Very similar
Dutch BoyStarry Sky
Starry Sky
Dutch Boy
Very similar
Ruling Royalty
Kilz
Visible difference
Midnight Navy
Benjamin Moore
Visible difference
Baritone
Behr
Visible difference
Nightfall
Valspar
Visible difference
Magic Night
Dunn-Edwards
Visible difference
Dewberry
Sherwin-Williams
Visible difference
Newport Indigo
Vista Paint
Visible difference
Victory Blue
PPG
Visible difference
Newport Indigo
Hirshfield's
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 Cobalt Blue
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Cobalt Blue
#1E213D
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#443856
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Cobalt Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Cobalt 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 RAL Colors
Other RAL colors close to Cobalt 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.
Cobalt Blue — Frequently Asked Questions
What undertone does Cobalt Blue have?
Cobalt Blue by RAL 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 Cobalt Blue in your own space before committing.
What colors match Cobalt Blue from other brands?
The closest cross-brand equivalents to Cobalt Blue are Starry Sky by Dutch Boy (a very close match), Ruling Royalty by Kilz (a close match), Midnight Navy by Benjamin Moore (a close match) — the best options for getting Cobalt 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 Cobalt Blue?
Cobalt Blue has a Light Reflectance Value (LRV) of 1.7, 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 Cobalt 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 Cobalt Blue's cool (violet) undertone matters more than its surface color — and how to read undertones in any paint chip.