#155C8F

#155C8F

Color Values

HEX

#155C8F

RGB

21, 92, 143

HSL

205.1, 74.4%, 32.2%

HSV

205.1, 85.3%, 56.1%

CMYK

85.3%, 35.7%, 0.0%, 43.9%

OKLCH

0.4593 0.1065 245.6

Properties

Cool Dark Nearest: RAL 5019 Capri Blue

Color Harmonies

Complementary

#155C8F

#8F4815

Analogous

#158F85

#151F8F

#155C8F

Triadic

#155C8F

#8F155C

#5C8F15

Split Complementary

#155C8F

#8F151F

#8F8515

Tetradic

#155C8F

#85158F

#8F4815

#1F8F15

Color Blindness Simulation

Original

#155C8F

Protanopia

#343483

Deuteranopia

#302A80

Tritanopia

#197977

Achromatopsia

#515151

CSS Usage

background-color: #155C8F;
color: #155C8F;
border-color: #155C8F;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F3F8FC
100
#E2EFF8
200
#C1E0F6
300
#94C9EF
400
#5AACE7
500
#218FDE
600
#1A72B2
700
#155C8E
800
#10476F
900
#103651
950
#0A2233

Contrast Checker

Text on white

7.1:1

AA Pass AAA Pass

Text on black

2.96:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026