#28337B

#28337B

Color Values

HEX

#28337B

RGB

40, 51, 123

HSL

232.0, 50.9%, 32.0%

HSV

232.0, 67.5%, 48.2%

CMYK

67.5%, 58.5%, 0.0%, 51.8%

OKLCH

0.3569 0.1222 272.1

Properties

Cool Dark Nearest: NCS S 3060-B Dark Blue

Color Harmonies

Complementary

#28337B

#7B7028

Analogous

#285D7B

#47287B

#28337B

Triadic

#28337B

#7B2833

#337B28

Split Complementary

#28337B

#7B4728

#5D7B28

Tetradic

#28337B

#7B285D

#7B7028

#287B47

Color Blindness Simulation

Original

#28337B

Protanopia

#2D2D6A

Deuteranopia

#2C2B65

Tritanopia

#295C59

Achromatopsia

#363636

CSS Usage

background-color: #28337B;
color: #28337B;
border-color: #28337B;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F4F5FB
100
#E5E7F5
200
#C9CEED
300
#A3ABE1
400
#717DD1
500
#3F50C0
600
#32409A
700
#28337B
800
#1F2860
900
#1A2047
950
#11142D

Contrast Checker

Text on white

11.35:1

AA Pass AAA Pass

Text on black

1.85:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026