#13151D

#13151D

Color Values

HEX

#13151D

RGB

19, 21, 29

HSL

228.0, 20.8%, 9.4%

HSV

228.0, 34.5%, 11.4%

CMYK

34.5%, 27.6%, 0.0%, 88.6%

OKLCH

0.1974 0.0164 273.9

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#13151D

#1D1B13

Analogous

#131A1D

#16131D

#13151D

Triadic

#13151D

#1D1315

#151D13

Split Complementary

#13151D

#1D1613

#1A1D13

Tetradic

#13151D

#1D131A

#1D1B13

#131D16

Color Blindness Simulation

Original

#13151D

Protanopia

#14141B

Deuteranopia

#14141B

Tritanopia

#131A19

Achromatopsia

#151515

CSS Usage

background-color: #13151D;
color: #13151D;
border-color: #13151D;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F6F7F9
100
#EAEBF0
200
#D4D7E3
300
#B5BACF
400
#8D95B4
500
#65709A
600
#51597B
700
#414763
800
#32384D
900
#272B3A
950
#191B24

Contrast Checker

Text on white

18.22:1

AA Pass AAA Pass

Text on black

1.15:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026