#2B042F

#2B042F

Color Values

HEX

#2B042F

RGB

43, 4, 47

HSL

294.4, 84.3%, 10.0%

HSV

294.4, 91.5%, 18.4%

CMYK

8.5%, 91.5%, 0.0%, 81.6%

OKLCH

0.2122 0.0887 324.0

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#2B042F

#082F04

Analogous

#15042F

#2F041E

#2B042F

Triadic

#2B042F

#2F2B04

#042F2B

Split Complementary

#2B042F

#1E2F04

#042F15

Tetradic

#2B042F

#2F1504

#082F04

#041E2F

Color Blindness Simulation

Original

#2B042F

Protanopia

#1A1A25

Deuteranopia

#1C1F22

Tritanopia

#291C1B

Achromatopsia

#0F0F0F

CSS Usage

background-color: #2B042F;
color: #2B042F;
border-color: #2B042F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#FCF2FD
100
#F8E0FA
200
#F4BDF9
300
#EC8EF5
400
#E151F0
500
#D714EB
600
#AC10BC
700
#8A0D96
800
#6B0A75
900
#4E0C55
950
#310736

Contrast Checker

Text on white

18.09:1

AA Pass AAA Pass

Text on black

1.16:1

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