#302F43

#302F43

Color Values

HEX

#302F43

RGB

48, 47, 67

HSL

243.0, 17.5%, 22.4%

HSV

243.0, 29.9%, 26.3%

CMYK

28.4%, 29.9%, 0.0%, 73.7%

OKLCH

0.3152 0.0355 286.5

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#302F43

#42432F

Analogous

#2F3843

#3A2F43

#302F43

Triadic

#302F43

#43302F

#2F4330

Split Complementary

#302F43

#433A2F

#38432F

Tetradic

#302F43

#432F38

#42432F

#2F433A

Color Blindness Simulation

Original

#302F43

Protanopia

#30303E

Deuteranopia

#30303D

Tritanopia

#303A3A

Achromatopsia

#313131

CSS Usage

background-color: #302F43;
color: #302F43;
border-color: #302F43;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F6F6F8
100
#EBEAF0
200
#D6D5E2
300
#B8B7CD
400
#9290B1
500
#6B6996
600
#565478
700
#454360
800
#36354B
900
#2A2938
950
#1A1A23

Contrast Checker

Text on white

13.02:1

AA Pass AAA Pass

Text on black

1.61:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026