#031D48

#031D48

Color Values

HEX

#031D48

RGB

3, 29, 72

HSL

217.4, 92.0%, 14.7%

HSV

217.4, 95.8%, 28.2%

CMYK

95.8%, 59.7%, 0.0%, 71.8%

OKLCH

0.2423 0.0869 259.5

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#031D48

#482E03

Analogous

#033F48

#0C0348

#031D48

Triadic

#031D48

#48031D

#1D4803

Split Complementary

#031D48

#480C03

#3F4803

Tetradic

#031D48

#48033F

#482E03

#03480C

Color Blindness Simulation

Original

#031D48

Protanopia

#0E0E3E

Deuteranopia

#0D0B3B

Tritanopia

#043534

Achromatopsia

#1B1B1B

CSS Usage

background-color: #031D48;
color: #031D48;
border-color: #031D48;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F1F6FD
100
#DFEAFB
200
#BAD3FC
300
#89B4FA
400
#4A8BF7
500
#0A63F5
600
#084FC4
700
#073F9D
800
#05317A
900
#082759
950
#051838

Contrast Checker

Text on white

16.49:1

AA Pass AAA Pass

Text on black

1.27:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026