#101023

#101023

Color Values

HEX

#101023

RGB

16, 16, 35

HSL

240.0, 37.3%, 10.0%

HSV

240.0, 54.3%, 13.7%

CMYK

54.3%, 54.3%, 0.0%, 86.3%

OKLCH

0.1844 0.0383 282.0

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#101023

#232310

Analogous

#101A23

#1A1023

#101023

Triadic

#101023

#231010

#102310

Split Complementary

#101023

#231A10

#1A2310

Tetradic

#101023

#23101A

#232310

#10231A

Color Blindness Simulation

Original

#101023

Protanopia

#10101E

Deuteranopia

#10101D

Tritanopia

#101B1A

Achromatopsia

#111111

CSS Usage

background-color: #101023;
color: #101023;
border-color: #101023;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F5FA
100
#E7E7F3
200
#CECEE9
300
#ABABD9
400
#7D7DC4
500
#5050AF
600
#40408C
700
#333370
800
#282858
900
#202041
950
#141429

Contrast Checker

Text on white

18.74:1

AA Pass AAA Pass

Text on black

1.12:1

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