#282F4B

#282F4B

Color Values

HEX

#282F4B

RGB

40, 47, 75

HSL

228.0, 30.4%, 22.5%

HSV

228.0, 46.7%, 29.4%

CMYK

46.7%, 37.3%, 0.0%, 70.6%

OKLCH

0.3124 0.0513 272.4

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#282F4B

#4B4428

Analogous

#28404B

#32284B

#282F4B

Triadic

#282F4B

#4B282F

#2F4B28

Split Complementary

#282F4B

#4B3228

#404B28

Tetradic

#282F4B

#4B2840

#4B4428

#284B32

Color Blindness Simulation

Original

#282F4B

Protanopia

#2B2B44

Deuteranopia

#2B2A43

Tritanopia

#283F3E

Achromatopsia

#303030

CSS Usage

background-color: #282F4B;
color: #282F4B;
border-color: #282F4B;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F6F9
100
#E9EAF2
200
#D0D5E6
300
#AFB7D4
400
#848FBD
500
#5968A6
600
#475385
700
#39436A
800
#2C3453
900
#23283E
950
#161A27

Contrast Checker

Text on white

13.14:1

AA Pass AAA Pass

Text on black

1.6:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026