#153F71

#153F71

Color Values

HEX

#153F71

RGB

21, 63, 113

HSL

212,6, 68,7%, 26,3%

HSV

212,6, 81,4%, 44,3%

CMYK

81,4%, 44,2%, 0,0%, 55,7%

OKLCH

0,3673 0,0977 255,0

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#153F71

#714715

Analogous

#156D71

#191571

#153F71

Triadic

#153F71

#71153F

#3F7115

Split Complementary

#153F71

#711915

#6D7115

Tetradic

#153F71

#71156D

#714715

#157119

Color Blindness Simulation

Original

#153F71

Protanopia

#272865

Deuteranopia

#252262

Tritanopia

#175B59

Achromatopsia

#3A3A3A

CSS Usage

background-color: #153F71;
color: #153F71;
border-color: #153F71;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F3F7FC
100
#E3ECF8
200
#C3D9F4
300
#98BEEC
400
#609BE1
500
#2878D7
600
#2060AC
700
#1A4D8A
800
#143C6C
900
#122E4E
950
#0C1D32

Contrast Checker

Text on white

10,6:1

AA Pass AAA Pass

Text on black

1,98:1

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