#0B3159

#0B3159

Color Values

HEX

#0B3159

RGB

11, 49, 89

HSL

210.8, 78.0%, 19.6%

HSV

210.8, 87.6%, 34.9%

CMYK

87.6%, 44.9%, 0.0%, 65.1%

OKLCH

0.311 0.083 253.2

Properties

Cool Dark Nearest: RAL 5026 Pearl Night Blue

Color Harmonies

Complementary

#0B3159

#59330B

Analogous

#0B5859

#0C0B59

#0B3159

Triadic

#0B3159

#590B31

#31590B

Split Complementary

#0B3159

#590C0B

#58590B

Tetradic

#0B3159

#590B58

#59330B

#0B590C

Color Blindness Simulation

Original

#0B3159

Protanopia

#1B1C4F

Deuteranopia

#19164D

Tritanopia

#0D4846

Achromatopsia

#2C2C2C

CSS Usage

background-color: #0B3159;
color: #0B3159;
border-color: #0B3159;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F2F7FC
100
#E1EDF9
200
#BFDBF7
300
#92C1F2
400
#579FEA
500
#1C7DE3
600
#1664B6
700
#125091
800
#0E3E71
900
#0E3052
950
#091E34

Contrast Checker

Text on white

13.14:1

AA Pass AAA Pass

Text on black

1.6:1

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