#283044

#283044

Color Values

HEX

#283044

RGB

40, 48, 68

HSL

222.9, 25.9%, 21.2%

HSV

222.9, 41.2%, 26.7%

CMYK

41.2%, 29.4%, 0.0%, 73.3%

OKLCH

0.3109 0.0378 267.4

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#283044

#443C28

Analogous

#283E44

#2E2844

#283044

Triadic

#283044

#442830

#304428

Split Complementary

#283044

#442E28

#3E4428

Tetradic

#283044

#44283E

#443C28

#28442E

Color Blindness Simulation

Original

#283044

Protanopia

#2B2C3F

Deuteranopia

#2B2A3E

Tritanopia

#283B3A

Achromatopsia

#303030

CSS Usage

background-color: #283044;
color: #283044;
border-color: #283044;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F6F7F9
100
#E9EBF1
200
#D2D7E5
300
#B2BBD2
400
#8896B9
500
#5E71A1
600
#4C5B80
700
#3C4967
800
#2F3950
900
#252C3C
950
#171C26

Contrast Checker

Text on white

13.15:1

AA Pass AAA Pass

Text on black

1.6:1

AA Fail 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