#153C5A

#153C5A

Color Values

HEX

#153C5A

RGB

21, 60, 90

HSL

206.1, 62.2%, 21.8%

HSV

206.1, 76.7%, 35.3%

CMYK

76.7%, 33.3%, 0.0%, 64.7%

OKLCH

0.3442 0.0684 245.1

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#153C5A

#5A3315

Analogous

#155A56

#151A5A

#153C5A

Triadic

#153C5A

#5A153C

#3C5A15

Split Complementary

#153C5A

#5A151A

#5A5615

Tetradic

#153C5A

#56155A

#5A3315

#1A5A15

Color Blindness Simulation

Original

#153C5A

Protanopia

#262653

Deuteranopia

#242151

Tritanopia

#174D4C

Achromatopsia

#363636

CSS Usage

background-color: #153C5A;
color: #153C5A;
border-color: #153C5A;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F3F8FB
100
#E4EEF7
200
#C5DEF2
300
#9CC7E8
400
#66A8DB
500
#308ACF
600
#276EA5
700
#1F5884
800
#184567
900
#15344C
950
#0D2130

Contrast Checker

Text on white

11.5:1

AA Pass AAA Pass

Text on black

1.83:1

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