#282970

#282970

Color Values

HEX

#282970

RGB

40, 41, 112

HSL

239.2, 47.4%, 29.8%

HSV

239.2, 64.3%, 43.9%

CMYK

64.3%, 63.4%, 0.0%, 56.1%

OKLCH

0.3271 0.1198 276.9

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#282970

#706F28

Analogous

#284D70

#4B2870

#282970

Triadic

#282970

#702829

#297028

Split Complementary

#282970

#704B28

#4D7028

Tetradic

#282970

#70284D

#706F28

#28704B

Color Blindness Simulation

Original

#282970

Protanopia

#28285F

Deuteranopia

#28285B

Tritanopia

#28514E

Achromatopsia

#2E2E2E

CSS Usage

background-color: #282970;
color: #282970;
border-color: #282970;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FA
100
#E6E6F4
200
#CACBEC
300
#A5A6DF
400
#7475CD
500
#4345BC
600
#363796
700
#2B2C78
800
#22225E
900
#1C1C45
950
#12122C

Contrast Checker

Text on white

12.79:1

AA Pass AAA Pass

Text on black

1.64:1

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