#2F3151

#2F3151

Color Values

HEX

#2F3151

RGB

47, 49, 81

HSL

236,5, 26,6%, 25,1%

HSV

236,5, 42,0%, 31,8%

CMYK

42,0%, 39,5%, 0,0%, 68,2%

OKLCH

0,327 0,0565 280,1

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#2F3151

#514F2F

Analogous

#2F4251

#3E2F51

#2F3151

Triadic

#2F3151

#512F31

#31512F

Split Complementary

#2F3151

#513E2F

#42512F

Tetradic

#2F3151

#512F42

#514F2F

#2F513E

Color Blindness Simulation

Original

#2F3151

Protanopia

#303049

Deuteranopia

#303047

Tritanopia

#2F4342

Achromatopsia

#333333

CSS Usage

background-color: #2F3151;
color: #2F3151;
border-color: #2F3151;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F6F6F9
100
#E9EAF1
200
#D2D3E5
300
#B2B3D2
400
#888ABA
500
#5E62A1
600
#4B4E81
700
#3C3E67
800
#2F3151
900
#25263C
950
#171826

Contrast Checker

Text on white

12,51:1

AA Pass AAA Pass

Text on black

1,68:1

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