#282B5F

#282B5F

Color Values

HEX

#282B5F

RGB

40, 43, 95

HSL

236.7, 40.7%, 26.5%

HSV

236.7, 57.9%, 37.3%

CMYK

57.9%, 54.7%, 0.0%, 62.7%

OKLCH

0.317 0.0908 277.4

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#282B5F

#5F5C28

Analogous

#28475F

#41285F

#282B5F

Triadic

#282B5F

#5F282B

#2B5F28

Split Complementary

#282B5F

#5F4128

#475F28

Tetradic

#282B5F

#5F2847

#5F5C28

#285F41

Color Blindness Simulation

Original

#282B5F

Protanopia

#292952

Deuteranopia

#29294F

Tritanopia

#284846

Achromatopsia

#2E2E2E

CSS Usage

background-color: #282B5F;
color: #282B5F;
border-color: #282B5F;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F5FA
100
#E7E8F3
200
#CDCEEA
300
#A9ACDB
400
#7A7EC7
500
#4C51B3
600
#3C4190
700
#303473
800
#26295A
900
#1F2142
950
#13152A

Contrast Checker

Text on white

13.12:1

AA Pass AAA Pass

Text on black

1.6:1

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