#81909F

#81909F

Color Values

HEX

#81909F

RGB

129, 144, 159

HSL

210.0, 13.5%, 56.5%

HSV

210.0, 18.9%, 62.4%

CMYK

18.9%, 9.4%, 0.0%, 37.6%

OKLCH

0.6464 0.0284 248.3

Properties

Cool Light Nearest: lightslategrey

Color Harmonies

Complementary

#81909F

#9F9081

Analogous

#819F9F

#81819F

#81909F

Triadic

#81909F

#9F8190

#909F81

Split Complementary

#81909F

#9F8181

#9F9F81

Tetradic

#81909F

#9F819F

#9F9081

#819F81

Color Blindness Simulation

Original

#81909F

Protanopia

#87889B

Deuteranopia

#87869A

Tritanopia

#829998

Achromatopsia

#8E8E8E

CSS Usage

background-color: #81909F;
color: #81909F;
border-color: #81909F;
Nearest Tailwind: Slate 400 #94A3B8

Tailwind Shades

50
#F6F7F8
100
#EBEDEF
200
#D6DBE0
300
#BAC2CA
400
#94A1AD
500
#6E8091
600
#586674
700
#47525D
800
#374048
900
#2B3036
950
#1B1F22

Contrast Checker

Text on white

3.27:1

AA Fail AAA Fail

Text on black

6.42:1

AA Pass AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026