#031D31

#031D31

Color Values

HEX

#031D31

RGB

3, 29, 49

HSL

206.1, 88.5%, 10.2%

HSV

206.1, 93.9%, 19.2%

CMYK

93.9%, 40.8%, 0.0%, 80.8%

OKLCH

0.2228 0.0506 244.9

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#031D31

#311703

Analogous

#03312E

#030631

#031D31

Triadic

#031D31

#31031D

#1D3103

Split Complementary

#031D31

#310306

#312E03

Tetradic

#031D31

#2E0331

#311703

#063103

Color Blindness Simulation

Original

#031D31

Protanopia

#0E0E2C

Deuteranopia

#0D0B2B

Tritanopia

#042828

Achromatopsia

#191919

CSS Usage

background-color: #031D31;
color: #031D31;
border-color: #031D31;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F2F8FD
100
#E0EFFB
200
#BCDFFB
300
#8CC9F8
400
#4DACF4
500
#0F8EF0
600
#0C72C0
700
#095B9A
800
#074778
900
#0A3557
950
#062237

Contrast Checker

Text on white

17.16:1

AA Pass AAA Pass

Text on black

1.22:1

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