#151D30

#151D30

Color Values

HEX

#151D30

RGB

21, 29, 48

HSL

222.2, 39.1%, 13.5%

HSV

222.2, 56.2%, 18.8%

CMYK

56.2%, 39.6%, 0.0%, 81.2%

OKLCH

0.2331 0.0388 266.1

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#151D30

#302815

Analogous

#152A30

#1A1530

#151D30

Triadic

#151D30

#30151D

#1D3015

Split Complementary

#151D30

#301A15

#2A3015

Tetradic

#151D30

#30152A

#302815

#15301A

Color Blindness Simulation

Original

#151D30

Protanopia

#18192B

Deuteranopia

#18172A

Tritanopia

#152827

Achromatopsia

#1D1D1D

CSS Usage

background-color: #151D30;
color: #151D30;
border-color: #151D30;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F6FA
100
#E7EBF3
200
#CDD6E9
300
#AAB8DA
400
#7C92C6
500
#4E6BB1
600
#3E568E
700
#324572
800
#273659
900
#1F2A41
950
#141A29

Contrast Checker

Text on white

16.8:1

AA Pass AAA Pass

Text on black

1.25:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026