#282D7F

#282D7F

Color Values

HEX

#282D7F

RGB

40, 45, 127

HSL

236.6, 52.1%, 32.7%

HSV

236.6, 68.5%, 49.8%

CMYK

68.5%, 64.6%, 0.0%, 50.2%

OKLCH

0.3485 0.1361 274.2

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#282D7F

#7F7A28

Analogous

#28587F

#4E287F

#282D7F

Triadic

#282D7F

#7F282D

#2D7F28

Split Complementary

#282D7F

#7F4E28

#587F28

Tetradic

#282D7F

#7F2858

#7F7A28

#287F4E

Color Blindness Simulation

Original

#282D7F

Protanopia

#2A2A6B

Deuteranopia

#2A2A66

Tritanopia

#285B58

Achromatopsia

#323232

CSS Usage

background-color: #282D7F;
color: #282D7F;
border-color: #282D7F;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E5E6F5
200
#C9CBEE
300
#A2A6E2
400
#6F75D2
500
#3D45C2
600
#31379B
700
#272C7C
800
#1F2261
900
#1A1C47
950
#10122D

Contrast Checker

Text on white

11.85:1

AA Pass AAA Pass

Text on black

1.77:1

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