#155DA6

#155DA6

Color Values

HEX

#155DA6

RGB

21, 93, 166

HSL

210,2, 77,5%, 36,7%

HSV

210,2, 87,3%, 65,1%

CMYK

87,3%, 44,0%, 0,0%, 34,9%

OKLCH

0,4768 0,1353 253,3

Properties

Cool Dark Nearest: NCS S 2065-B Pure Blue

Color Harmonies

Complementary

#155DA6

#A65E15

Analogous

#15A6A6

#1615A6

#155DA6

Triadic

#155DA6

#A6155D

#5DA615

Split Complementary

#155DA6

#A61615

#A6A615

Tetradic

#155DA6

#A615A6

#A65E15

#15A616

Color Blindness Simulation

Original

#155DA6

Protanopia

#343594

Deuteranopia

#302B90

Tritanopia

#198683

Achromatopsia

#535353

CSS Usage

background-color: #155DA6;
color: #155DA6;
border-color: #155DA6;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F2F7FC
100
#E1EDF9
200
#C0DBF7
300
#92C1F1
400
#58A0EA
500
#1D7FE2
600
#1765B5
700
#125191
800
#0E3F71
900
#0F3052
950
#091E34

Contrast Checker

Text on white

6,67:1

AA Pass AAA Fail

Text on black

3,15:1

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