#1F4440

#1F4440

Color Values

HEX

#1F4440

RGB

31, 68, 64

HSL

173.5, 37.4%, 19.4%

HSV

173.5, 54.4%, 26.7%

CMYK

54.4%, 0.0%, 5.9%, 73.3%

OKLCH

0.358 0.0432 186.3

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#1F4440

#441F23

Analogous

#1F442D

#1F3544

#1F4440

Triadic

#1F4440

#401F44

#44401F

Split Complementary

#1F4440

#441F35

#442D1F

Tetradic

#1F4440

#2D1F44

#441F23

#35441F

Color Blindness Simulation

Original

#1F4440

Protanopia

#2F2F41

Deuteranopia

#2D2A41

Tritanopia

#214242

Achromatopsia

#3C3C3C

CSS Usage

background-color: #1F4440;
color: #1F4440;
border-color: #1F4440;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F5FAF9
100
#E7F3F2
200
#CEE9E6
300
#ABD9D4
400
#7DC4BC
500
#50AFA5
600
#408C84
700
#33706A
800
#285852
900
#20413D
950
#142927

Contrast Checker

Text on white

10.72:1

AA Pass AAA Pass

Text on black

1.96:1

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