#281C64

#281C64

Color Values

HEX

#281C64

RGB

40, 28, 100

HSL

250.0, 56.2%, 25.1%

HSV

250.0, 72.0%, 39.2%

CMYK

60.0%, 72.0%, 0.0%, 60.8%

OKLCH

0.2921 0.1202 283.7

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#281C64

#58641C

Analogous

#1C3464

#4C1C64

#281C64

Triadic

#281C64

#64281C

#1C6428

Split Complementary

#281C64

#644C1C

#34641C

Tetradic

#281C64

#641C34

#58641C

#1C644C

Color Blindness Simulation

Original

#281C64

Protanopia

#232353

Deuteranopia

#24244E

Tritanopia

#274542

Achromatopsia

#242424

CSS Usage

background-color: #281C64;
color: #281C64;
border-color: #281C64;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F5F4FB
100
#E7E5F6
200
#CEC7EF
300
#AB9FE4
400
#7D6CD6
500
#5038C7
600
#402D9F
700
#33247F
800
#281C64
900
#201849
950
#140F2E

Contrast Checker

Text on white

14.58:1

AA Pass AAA Pass

Text on black

1.44:1

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