#1F192B

#1F192B

Color Values

HEX

#1F192B

RGB

31, 25, 43

HSL

260.0, 26.5%, 13.3%

HSV

260.0, 41.9%, 16.9%

CMYK

27.9%, 41.9%, 0.0%, 83.1%

OKLCH

0.2295 0.0351 298.9

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#1F192B

#252B19

Analogous

#191C2B

#28192B

#1F192B

Triadic

#1F192B

#2B1F19

#192B1F

Split Complementary

#1F192B

#2B2819

#1C2B19

Tetradic

#1F192B

#2B191C

#252B19

#192B28

Color Blindness Simulation

Original

#1F192B

Protanopia

#1C1C27

Deuteranopia

#1D1D26

Tritanopia

#1F2322

Achromatopsia

#1C1C1C

CSS Usage

background-color: #1F192B;
color: #1F192B;
border-color: #1F192B;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F7F6F9
100
#ECE9F1
200
#D8D2E5
300
#BCB2D2
400
#9888BA
500
#745EA1
600
#5D4B81
700
#4A3C67
800
#3A2F51
900
#2D253C
950
#1C1726

Contrast Checker

Text on white

17.04:1

AA Pass AAA Pass

Text on black

1.23:1

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