#281C34

#281C34

Color Values

HEX

#281C34

RGB

40, 28, 52

HSL

270.0, 30.0%, 15.7%

HSV

270.0, 46.2%, 20.4%

CMYK

23.1%, 46.2%, 0.0%, 79.6%

OKLCH

0.253 0.0468 306.3

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#281C34

#28341C

Analogous

#1C1C34

#341C34

#281C34

Triadic

#281C34

#34281C

#1C3428

Split Complementary

#281C34

#34341C

#1C341C

Tetradic

#281C34

#341C1C

#28341C

#1C3434

Color Blindness Simulation

Original

#281C34

Protanopia

#23232E

Deuteranopia

#24242D

Tritanopia

#272A29

Achromatopsia

#202020

CSS Usage

background-color: #281C34;
color: #281C34;
border-color: #281C34;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F7F5F9
100
#EDE9F2
200
#DBD1E6
300
#C2AFD4
400
#A184BD
500
#8059A6
600
#664785
700
#52396A
800
#402D53
900
#30233E
950
#1F1627

Contrast Checker

Text on white

16.08:1

AA Pass AAA Pass

Text on black

1.31:1

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