#31489B

#31489B

Color Values

HEX

#31489B

RGB

49, 72, 155

HSL

227.0, 52.0%, 40.0%

HSV

227.0, 68.4%, 60.8%

CMYK

68.4%, 53.5%, 0.0%, 39.2%

OKLCH

0.4319 0.138 268.4

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#31489B

#9B8431

Analogous

#317D9B

#4F319B

#31489B

Triadic

#31489B

#9B3148

#489B31

Split Complementary

#31489B

#9B4F31

#7D9B31

Tetradic

#31489B

#9B317D

#9B8431

#319B4F

Color Blindness Simulation

Original

#31489B

Protanopia

#3B3B87

Deuteranopia

#3A3882

Tritanopia

#327774

Achromatopsia

#494949

CSS Usage

background-color: #31489B;
color: #31489B;
border-color: #31489B;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F4F5FB
100
#E5E9F5
200
#C9D1EE
300
#A2B0E2
400
#7085D2
500
#3D5AC2
600
#31489B
700
#273A7C
800
#1F2D61
900
#1A2447
950
#10162D

Contrast Checker

Text on white

8.3:1

AA Pass AAA Pass

Text on black

2.53:1

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