#1F2134

#1F2134

Color Values

HEX

#1F2134

RGB

31, 33, 52

HSL

234.3, 25.3%, 16.3%

HSV

234.3, 40.4%, 20.4%

CMYK

40.4%, 36.5%, 0.0%, 79.6%

OKLCH

0.2552 0.0359 278.9

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#1F2134

#34321F

Analogous

#1F2C34

#281F34

#1F2134

Triadic

#1F2134

#341F21

#21341F

Split Complementary

#1F2134

#34281F

#2C341F

Tetradic

#1F2134

#341F2C

#34321F

#1F3428

Color Blindness Simulation

Original

#1F2134

Protanopia

#20202F

Deuteranopia

#20202E

Tritanopia

#1F2C2B

Achromatopsia

#222222

CSS Usage

background-color: #1F2134;
color: #1F2134;
border-color: #1F2134;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F6F6F9
100
#E9EAF1
200
#D2D4E4
300
#B2B5D1
400
#898DB9
500
#5F65A0
600
#4C5180
700
#3D4166
800
#303350
900
#25283B
950
#181926

Contrast Checker

Text on white

15.84:1

AA Pass AAA Pass

Text on black

1.33:1

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