#191C31

#191C31

Color Values

HEX

#191C31

RGB

25, 28, 49

HSL

232.5, 32.4%, 14.5%

HSV

232.5, 49.0%, 19.2%

CMYK

49.0%, 42.9%, 0.0%, 80.8%

OKLCH

0.2346 0.0406 276.6

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#191C31

#312E19

Analogous

#192831

#221931

#191C31

Triadic

#191C31

#31191C

#1C3119

Split Complementary

#191C31

#312219

#283119

Tetradic

#191C31

#311928

#312E19

#193122

Color Blindness Simulation

Original

#191C31

Protanopia

#1A1A2C

Deuteranopia

#1A1A2B

Tritanopia

#192827

Achromatopsia

#1D1D1D

CSS Usage

background-color: #191C31;
color: #191C31;
border-color: #191C31;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F6F9
100
#E8E9F2
200
#D0D3E7
300
#AEB3D6
400
#828ABF
500
#5661A9
600
#454D87
700
#373E6C
800
#2B3054
900
#22263F
950
#161828

Contrast Checker

Text on white

16.78:1

AA Pass AAA Pass

Text on black

1.25:1

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