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Convert L*ab values to RGB and the nearest standard colour

L*
a*
b*


Approximate sRGB:
 

NOTE:The Munsell colour notation was originally defined using Illuminant C at 2°. In order to be able to compare colours on this site, this has been changed to CIE 1964 D65 10° using the xyY values and the transformation defined in ASTM D1535-14 (reapproved 2018), in which there may be errors.

These close alternatives are therefore given for guidance only. Always visually check before any major purchase.

Nearest Standard Colours

Filter by colour range/specification:

  • = Noticeably different
  • = Different
  • = Slightly Different
  • = Close but distinguishable
  • = Distinguishable to the practiced eye
  • = Virtually indistinguishable
Reference Range Description Rating Charts Click for
L*ab values
  L*ab:

Reference

LG 221

Range:

Little Greene 

Description

Basalt 
reference

Reference

Carbon

Range:

Sanderson 

Description

Carbon 
reference

Reference

BS 633

Description

RAF blue-grey 
reference

Reference

TSD 17-1-7

Range:

DIN 6164 

Description

 
reference

Reference

BS 9-098

Description

Blue grey 
reference

Reference

S 8005-R80B

Description

 
reference

Reference

RAL 7016

Description

Anthracite grey 
reference

Reference

35043

Description

U.S. Army # 3378 / Blue 
Flat: max 6
reference

Reference

LG 252

Range:

Little Greene 

Description

Dock blue 
reference

Reference

B62

Range:

Australian Standard 

Description

Midnight blue 
reference

Reference

CSP-630

Range:

Benjamin Moore 

Description

After midnight 
reference

Reference

RAL 790-2

Range:

RAL Effect 

Description

 
reference

Reference

RAL 810-6

Range:

RAL Effect 

Description

 
reference

Reference

BS381C 106

Description

Royal blue 
reference

Reference

432 C

Range:

Pantone C 

Description

 
reference

Reference

IST 119-07

Range:

Isomat 

Description

Underwater fantasy 
reference

Reference

SW 6992

Range:

Sherwin-Williams 

Description

Inkwell 
reference

Reference

TSD 16-1-7

Range:

DIN 6164 

Description

 
reference

Reference

18 C 40

Description

Black 
reference

Reference

TSD 18-1-7

Range:

DIN 6164 

Description

 
reference

Reference

RAL 5008

Description

Grey blue 
reference

Reference

SW 6993

Range:

Sherwin-Williams 

Description

Black of night 
reference

Reference

S 8005-B20G

Description

 
reference

Reference

TSD 15-1-7

Range:

DIN 6164 

Description

 
reference

Reference

15044

Description

Dark blue / Insignia blue / ANA 502 
Gloss: min 80
reference

Reference

35041

Description

U.S. Army # 450 / Blue 
Flat: max 6
reference

Reference

30BB 05/022

Range:

Dulux Trade 

Description

Cobalt night / Ravens flight 
reference

Reference

PPG1013-7

Range:

PPG / Johnstone's  

Description

Napoleon / Witch 
reference

Reference

TSD 14-1-7

Range:

DIN 6164 

Description

 
reference

Reference

RAL 790-3

Range:

RAL Effect 

Description

 
reference

Reference

IST 118-07

Range:

Isomat 

Description

Archipelago blue 
reference

Reference

35039

Description

U.S. Army # 2307 / Marine dark blue 
Flat: max 6
reference

Reference

15044

Description

Dark blue / Insignia blue / ANA 502 
Gloss: min 80
reference

Reference

TSD 19-1-7

Range:

DIN 6164 

Description

 
reference

Reference

35042

Description

Sea blue / ANA 607 
Flat: max 6
reference

Reference

35040

Description

U.S. Army # 2312 / Marine dark blue 
Flat: max 6
reference

Reference

RAL 7026

Description

Granite grey 
reference

Reference

IST 120-07

Range:

Isomat 

Description

Dark waters 
reference

Reference

35045

Description

Dark blue 
Flat: max 6
reference

Reference

No. 95

Range:

Farrow and Ball 

Description

Black blue 
reference

Reference

Night fishing

Range:

Sanderson 

Description

Night fishing 
reference

Reference

37033

Description

U.S. Army # 458 / Black 
Flat: max 6
reference

Reference

25044

Description

RCAF blue 25044 
Semi-gloss: 30-45
reference

Reference

SW 6279

Range:

Sherwin-Williams 

Description

Black swan 
reference

Reference

Burn black light

Range:

Sanderson 

Description

Burn black light 
reference

Reference

37034

Description

U.S. Army # 3202 / Black 
Flat: max 6
reference
= noticeably different
= different
= slightly different
= close but distinguishable
= distinguishable to the practiced eye
+ = virtually indistinguishable

Please note that colours can vary from different suppliers, batches and over time.


The information and the colours depicted are also for guidance only. The displayed colour will depend on your monitor and browser and pearl or metallic colours have not been included. The finished colour, therefore, may not be as shown here.

The sRGB conversion system used is IEC 61966:2-1 1999 D50 adapted which may differ from other conversions.

We always recommend a visual check before any major purchase.


PANTONE® is a registered trademark of Pantone LLC.

NCS® is a registered tradename of NCS Colour AB.

Dulux® is a registered trade name of Imperial Chemical Industries Ltd and is a brand from Akzo Nobel.



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