#282F6B

#282F6B

Color Values

HEX

#282F6B

RGB

40, 47, 107

HSL

233.7, 45.6%, 28.8%

HSV

233.7, 62.6%, 42.0%

CMYK

62.6%, 56.1%, 0.0%, 58.0%

OKLCH

0.3352 0.1037 274.4

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#282F6B

#6B6428

Analogous

#28506B

#42286B

#282F6B

Triadic

#282F6B

#6B282F

#2F6B28

Split Complementary

#282F6B

#6B4228

#506B28

Tetradic

#282F6B

#6B2850

#6B6428

#286B42

Color Blindness Simulation

Original

#282F6B

Protanopia

#2B2B5C

Deuteranopia

#2B2A59

Tritanopia

#28514E

Achromatopsia

#323232

CSS Usage

background-color: #282F6B;
color: #282F6B;
border-color: #282F6B;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F4F5FA
100
#E6E8F4
200
#CBCEEC
300
#A6ACDE
400
#767FCC
500
#4552BA
600
#374195
700
#2C3477
800
#23295D
900
#1D2144
950
#12152B

Contrast Checker

Text on white

12.29:1

AA Pass AAA Pass

Text on black

1.71:1

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