#153E5B

#153E5B

Color Values

HEX

#153E5B

RGB

21, 62, 91

HSL

204.9, 62.5%, 22.0%

HSV

204.9, 76.9%, 35.7%

CMYK

76.9%, 31.9%, 0.0%, 64.3%

OKLCH

0.3502 0.0679 243.1

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#153E5B

#5B3215

Analogous

#155B55

#151B5B

#153E5B

Triadic

#153E5B

#5B153E

#3E5B15

Split Complementary

#153E5B

#5B151B

#5B5515

Tetradic

#153E5B

#55155B

#5B3215

#1B5B15

Color Blindness Simulation

Original

#153E5B

Protanopia

#272754

Deuteranopia

#242152

Tritanopia

#174E4D

Achromatopsia

#373737

CSS Usage

background-color: #153E5B;
color: #153E5B;
border-color: #153E5B;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F3F8FB
100
#E4EFF7
200
#C5DFF2
300
#9CC8E8
400
#66ABDC
500
#308DCF
600
#2671A6
700
#1F5A85
800
#184768
900
#15354C
950
#0D2230

Contrast Checker

Text on white

11.22:1

AA Pass AAA Pass

Text on black

1.87:1

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