#1D273F

#1D273F

Color Values

HEX

#1D273F

RGB

29, 39, 63

HSL

222.4, 37.0%, 18.0%

HSV

222.4, 54.0%, 24.7%

CMYK

54.0%, 38.1%, 0.0%, 75.3%

OKLCH

0.2758 0.0469 266.2

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#1D273F

#3F351D

Analogous

#1D383F

#241D3F

#1D273F

Triadic

#1D273F

#3F1D27

#273F1D

Split Complementary

#1D273F

#3F241D

#383F1D

Tetradic

#1D273F

#3F1D38

#3F351D

#1D3F24

Color Blindness Simulation

Original

#1D273F

Protanopia

#212139

Deuteranopia

#212038

Tritanopia

#1D3534

Achromatopsia

#272727

CSS Usage

background-color: #1D273F;
color: #1D273F;
border-color: #1D273F;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F6FA
100
#E8EBF3
200
#CED6E9
300
#ABB8D8
400
#7E92C4
500
#506CAF
600
#40568C
700
#334570
800
#283657
900
#202A41
950
#141A29

Contrast Checker

Text on white

14.85:1

AA Pass AAA Pass

Text on black

1.41:1

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