#153455

#153455

Color Values

HEX

#153455

RGB

21, 52, 85

HSL

210.9, 60.4%, 20.8%

HSV

210.9, 75.3%, 33.3%

CMYK

75.3%, 38.8%, 0.0%, 66.7%

OKLCH

0.3197 0.0697 252.1

Properties

Cool Dark Nearest: RAL 5010 Gentian Blue

Color Harmonies

Complementary

#153455

#553615

Analogous

#155455

#161555

#153455

Triadic

#153455

#551534

#345515

Split Complementary

#153455

#551615

#545515

Tetradic

#153455

#551554

#553615

#155516

Color Blindness Simulation

Original

#153455

Protanopia

#22234D

Deuteranopia

#211E4B

Tritanopia

#174745

Achromatopsia

#303030

CSS Usage

background-color: #153455;
color: #153455;
border-color: #153455;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F3F7FB
100
#E4EDF6
200
#C6DBF1
300
#9DC1E7
400
#689FDA
500
#327DCD
600
#2864A4
700
#205083
800
#193F66
900
#16304B
950
#0E1E2F

Contrast Checker

Text on white

12.69:1

AA Pass AAA Pass

Text on black

1.65:1

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