#15212A

#15212A

Color Values

HEX

#15212A

RGB

21, 33, 42

HSL

205.7, 33.3%, 12.4%

HSV

205.7, 50.0%, 16.5%

CMYK

50.0%, 21.4%, 0.0%, 83.5%

OKLCH

0.2409 0.0242 241.4

Properties

Cool Dark Nearest: RAL 5008 Grey Blue

Color Harmonies

Complementary

#15212A

#2A1E15

Analogous

#152A29

#15172A

#15212A

Triadic

#15212A

#2A1521

#212A15

Split Complementary

#15212A

#2A1517

#2A2915

Tetradic

#15212A

#29152A

#2A1E15

#172A15

Color Blindness Simulation

Original

#15212A

Protanopia

#1A1A28

Deuteranopia

#1A1927

Tritanopia

#162626

Achromatopsia

#1F1F1F

CSS Usage

background-color: #15212A;
color: #15212A;
border-color: #15212A;
Nearest Tailwind: Gray 800 #1F2937

Tailwind Shades

50
#F5F8FA
100
#E8EEF2
200
#CFDDE7
300
#ADC5D6
400
#81A5C0
500
#5586AA
600
#446B88
700
#36556D
800
#2B4355
900
#22333F
950
#152028

Contrast Checker

Text on white

16.37:1

AA Pass AAA Pass

Text on black

1.28:1

AA Fail AAA Fail

Related Articles

Tutorials

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

ม.ค. 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

ม.ค. 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

ม.ค. 15, 2026