#031429

#031429

Color Values

HEX

#031429

RGB

3, 20, 41

HSL

213.2, 86.4%, 8.6%

HSV

213.2, 92.7%, 16.1%

CMYK

92.7%, 51.2%, 0.0%, 83.9%

OKLCH

0.1898 0.0493 253.3

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#031429

#291803

Analogous

#032729

#050329

#031429

Triadic

#031429

#290314

#142903

Split Complementary

#031429

#290503

#272903

Tetradic

#031429

#290327

#291803

#032905

Color Blindness Simulation

Original

#031429

Protanopia

#0A0B24

Deuteranopia

#090823

Tritanopia

#04201F

Achromatopsia

#121212

CSS Usage

background-color: #031429;
color: #031429;
border-color: #031429;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F2F7FD
100
#E0ECFA
200
#BCD8FA
300
#8DBCF7
400
#4F98F2
500
#1174EE
600
#0E5DBE
700
#0B4A98
800
#093A77
900
#0B2C56
950
#071C36

Contrast Checker

Text on white

18.49:1

AA Pass AAA Pass

Text on black

1.14:1

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