#1F3F44

#1F3F44

Color Values

HEX

#1F3F44

RGB

31, 63, 68

HSL

188.1, 37.4%, 19.4%

HSV

188.1, 54.4%, 26.7%

CMYK

54.4%, 7.4%, 0.0%, 73.3%

OKLCH

0.3454 0.0387 208.6

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#1F3F44

#44241F

Analogous

#1F4436

#1F2C44

#1F3F44

Triadic

#1F3F44

#441F3F

#3F441F

Split Complementary

#1F3F44

#441F2C

#44361F

Tetradic

#1F3F44

#361F44

#44241F

#2C441F

Color Blindness Simulation

Original

#1F3F44

Protanopia

#2D2D43

Deuteranopia

#2B2942

Tritanopia

#214242

Achromatopsia

#393939

CSS Usage

background-color: #1F3F44;
color: #1F3F44;
border-color: #1F3F44;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F5F9FA
100
#E7F1F3
200
#CEE5E9
300
#ABD3D9
400
#7DBAC4
500
#50A2AF
600
#40828C
700
#336870
800
#285158
900
#203C41
950
#142629

Contrast Checker

Text on white

11.33:1

AA Pass AAA Pass

Text on black

1.85:1

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