#231F34

#231F34

Color Values

HEX

#231F34

RGB

35, 31, 52

HSL

251.4, 25.3%, 16.3%

HSV

251.4, 40.4%, 20.4%

CMYK

32.7%, 40.4%, 0.0%, 79.6%

OKLCH

0.2542 0.0393 292.1

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#231F34

#30341F

Analogous

#1F2634

#2E1F34

#231F34

Triadic

#231F34

#34231F

#1F3423

Split Complementary

#231F34

#342E1F

#26341F

Tetradic

#231F34

#341F26

#30341F

#1F342E

Color Blindness Simulation

Original

#231F34

Protanopia

#21212F

Deuteranopia

#22222E

Tritanopia

#232B2A

Achromatopsia

#212121

CSS Usage

background-color: #231F34;
color: #231F34;
border-color: #231F34;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F6F6F9
100
#EBE9F1
200
#D6D2E4
300
#B8B2D1
400
#9289B9
500
#6C5FA0
600
#564C80
700
#453D66
800
#363050
900
#2A253B
950
#1A1826

Contrast Checker

Text on white

15.94:1

AA Pass AAA Pass

Text on black

1.32:1

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