#312D46

#312D46

Color Values

HEX

#312D46

RGB

49, 45, 70

HSL

249.6, 21.7%, 22.5%

HSV

249.6, 35.7%, 27.5%

CMYK

30.0%, 35.7%, 0.0%, 72.5%

OKLCH

0.313 0.0444 290.9

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#312D46

#42462D

Analogous

#2D3546

#3D2D46

#312D46

Triadic

#312D46

#46312D

#2D4631

Split Complementary

#312D46

#463D2D

#35462D

Tetradic

#312D46

#462D35

#42462D

#2D463D

Color Blindness Simulation

Original

#312D46

Protanopia

#2F2F40

Deuteranopia

#30303E

Tritanopia

#313B3A

Achromatopsia

#303030

CSS Usage

background-color: #312D46;
color: #312D46;
border-color: #312D46;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F6F6F9
100
#EBEAF0
200
#D6D4E3
300
#B9B5CF
400
#938CB5
500
#6D649B
600
#57507C
700
#464063
800
#36324E
900
#2A273A
950
#1B1925

Contrast Checker

Text on white

13.17:1

AA Pass AAA Pass

Text on black

1.59:1

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