#312237

#312237

Color Values

HEX

#312237

RGB

49, 34, 55

HSL

282.9, 23.6%, 17.5%

HSV

282.9, 38.2%, 21.6%

CMYK

10.9%, 38.2%, 0.0%, 78.4%

OKLCH

0.2794 0.0429 316.0

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#312237

#283722

Analogous

#272237

#372233

#312237

Triadic

#312237

#373122

#223731

Split Complementary

#312237

#333722

#223727

Tetradic

#312237

#372722

#283722

#223337

Color Blindness Simulation

Original

#312237

Protanopia

#2B2A32

Deuteranopia

#2B2C31

Tritanopia

#302E2D

Achromatopsia

#272727

CSS Usage

background-color: #312237;
color: #312237;
border-color: #312237;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F8F6F9
100
#EFEAF1
200
#DFD3E4
300
#C8B3D0
400
#AA8AB7
500
#8C619E
600
#704E7E
700
#5A3E65
800
#46314F
900
#35263B
950
#211825

Contrast Checker

Text on white

14.85:1

AA Pass AAA Pass

Text on black

1.41:1

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