#1F3540

#1F3540

Color Values

HEX

#1F3540

RGB

31, 53, 64

HSL

200.0, 34.7%, 18.6%

HSV

200.0, 51.6%, 25.1%

CMYK

51.6%, 17.2%, 0.0%, 74.9%

OKLCH

0.3156 0.0341 231.0

Properties

Cool Dark Nearest: RAL 5001 Green Blue

Color Harmonies

Complementary

#1F3540

#402A1F

Analogous

#1F403A

#1F2440

#1F3540

Triadic

#1F3540

#401F35

#35401F

Split Complementary

#1F3540

#401F24

#403A1F

Tetradic

#1F3540

#3A1F40

#402A1F

#24401F

Color Blindness Simulation

Original

#1F3540

Protanopia

#29293D

Deuteranopia

#27263D

Tritanopia

#203B3B

Achromatopsia

#313131

CSS Usage

background-color: #1F3540;
color: #1F3540;
border-color: #1F3540;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F5F8FA
100
#E8EFF2
200
#CFDFE8
300
#ADC9D7
400
#80ACC1
500
#538EAC
600
#437289
700
#355B6E
800
#2A4756
900
#213540
950
#152228

Contrast Checker

Text on white

12.79:1

AA Pass AAA Pass

Text on black

1.64:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026