#282B71

#282B71

Color Values

HEX

#282B71

RGB

40, 43, 113

HSL

237,5, 47,7%, 30,0%

HSV

237,5, 64,6%, 44,3%

CMYK

64,6%, 61,9%, 0,0%, 55,7%

OKLCH

0,332 0,1185 276,0

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#282B71

#716E28

Analogous

#285071

#492871

#282B71

Triadic

#282B71

#71282B

#2B7128

Split Complementary

#282B71

#714928

#507128

Tetradic

#282B71

#712850

#716E28

#287149

Color Blindness Simulation

Original

#282B71

Protanopia

#292960

Deuteranopia

#29295C

Tritanopia

#285350

Achromatopsia

#2F2F2F

CSS Usage

background-color: #282B71;
color: #282B71;
border-color: #282B71;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CACCEC
300
#A5A7DF
400
#7477CE
500
#4348BC
600
#353997
700
#2B2E79
800
#21245E
900
#1C1D45
950
#11132C

Contrast Checker

Text on white

12,54:1

AA Pass AAA Pass

Text on black

1,67:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026