#283BA4

#283BA4

Color Values

HEX

#283BA4

RGB

40, 59, 164

HSL

230,8, 60,8%, 40,0%

HSV

230,8, 75,6%, 64,3%

CMYK

75,6%, 64,0%, 0,0%, 35,7%

OKLCH

0,409 0,1697 269,3

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#283BA4

#A49128

Analogous

#2879A4

#5328A4

#283BA4

Triadic

#283BA4

#A4283B

#3BA428

Split Complementary

#283BA4

#A45328

#79A428

Tetradic

#283BA4

#A42879

#A49128

#28A453

Color Blindness Simulation

Original

#283BA4

Protanopia

#30308B

Deuteranopia

#2F2E84

Tritanopia

#297772

Achromatopsia

#3F3F3F

CSS Usage

background-color: #283BA4;
color: #283BA4;
border-color: #283BA4;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F3F5FB
100
#E4E7F6
200
#C6CCF1
300
#9DA8E7
400
#6779DA
500
#324ACD
600
#283BA4
700
#202F83
800
#192567
900
#161E4B
950
#0E132F

Contrast Checker

Text on white

9,33:1

AA Pass AAA Pass

Text on black

2,25:1

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