#153F7C

#153F7C

Color Values

HEX

#153F7C

RGB

21, 63, 124

HSL

215.5, 71.0%, 28.4%

HSV

215.5, 83.1%, 48.6%

CMYK

83.1%, 49.2%, 0.0%, 51.4%

OKLCH

0.3755 0.1137 258.3

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#153F7C

#7C5215

Analogous

#15727C

#1E157C

#153F7C

Triadic

#153F7C

#7C153F

#3F7C15

Split Complementary

#153F7C

#7C1E15

#727C15

Tetradic

#153F7C

#7C1572

#7C5215

#157C1E

Color Blindness Simulation

Original

#153F7C

Protanopia

#27286D

Deuteranopia

#25226A

Tritanopia

#17625F

Achromatopsia

#3A3A3A

CSS Usage

background-color: #153F7C;
color: #153F7C;
border-color: #153F7C;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F3F7FC
100
#E2EBF8
200
#C2D7F5
300
#96BAED
400
#5E94E4
500
#256FDA
600
#1E59AE
700
#18478C
800
#12376D
900
#112B4F
950
#0B1B32

Contrast Checker

Text on white

10.32:1

AA Pass AAA Pass

Text on black

2.03:1

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