#23112F

#23112F

Color Values

HEX

#23112F

RGB

35, 17, 47

HSL

276.0, 46.9%, 12.5%

HSV

276.0, 63.8%, 18.4%

CMYK

25.5%, 63.8%, 0.0%, 81.6%

OKLCH

0.2196 0.0603 310.0

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#23112F

#1D2F11

Analogous

#14112F

#2F112C

#23112F

Triadic

#23112F

#2F2311

#112F23

Split Complementary

#23112F

#2C2F11

#112F14

Tetradic

#23112F

#2F1411

#1D2F11

#112C2F

Color Blindness Simulation

Original

#23112F

Protanopia

#1B1B28

Deuteranopia

#1C1E26

Tritanopia

#222221

Achromatopsia

#171717

CSS Usage

background-color: #23112F;
color: #23112F;
border-color: #23112F;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F8F4FA
100
#EFE6F4
200
#DFCBEC
300
#C8A5DF
400
#AA74CD
500
#8B44BB
600
#703696
700
#592B78
800
#46225E
900
#351C45
950
#21122C

Contrast Checker

Text on white

17.61:1

AA Pass AAA Pass

Text on black

1.19:1

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