#284B47

#284B47

Color Values

HEX

#284B47

RGB

40, 75, 71

HSL

173.1, 30.4%, 22.5%

HSV

173.1, 46.7%, 29.4%

CMYK

46.7%, 0.0%, 5.3%, 70.6%

OKLCH

0.385 0.0414 186.2

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#284B47

#4B282C

Analogous

#284B35

#283D4B

#284B47

Triadic

#284B47

#47284B

#4B4728

Split Complementary

#284B47

#4B283D

#4B3528

Tetradic

#284B47

#35284B

#4B282C

#3D4B28

Color Blindness Simulation

Original

#284B47

Protanopia

#373748

Deuteranopia

#353248

Tritanopia

#2A4949

Achromatopsia

#434343

CSS Usage

background-color: #284B47;
color: #284B47;
border-color: #284B47;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F5F9F9
100
#E9F2F1
200
#D0E6E4
300
#AFD4D0
400
#84BDB7
500
#59A69D
600
#47857E
700
#396A65
800
#2C534F
900
#233E3B
950
#162725

Contrast Checker

Text on white

9.6:1

AA Pass AAA Pass

Text on black

2.19:1

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