#1F3C43

#1F3C43

Color Values

HEX

#1F3C43

RGB

31, 60, 67

HSL

191.7, 36.7%, 19.2%

HSV

191.7, 53.7%, 26.3%

CMYK

53.7%, 10.4%, 0.0%, 73.7%

OKLCH

0.3366 0.0369 215.1

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#1F3C43

#43261F

Analogous

#1F4338

#1F2A43

#1F3C43

Triadic

#1F3C43

#431F3C

#3C431F

Split Complementary

#1F3C43

#431F2A

#43381F

Tetradic

#1F3C43

#381F43

#43261F

#2A431F

Color Blindness Simulation

Original

#1F3C43

Protanopia

#2C2C41

Deuteranopia

#2A2841

Tritanopia

#204040

Achromatopsia

#363636

CSS Usage

background-color: #1F3C43;
color: #1F3C43;
border-color: #1F3C43;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F5F9FA
100
#E8F1F3
200
#CEE3E8
300
#ABD0D8
400
#7EB6C3
500
#519CAE
600
#417D8B
700
#346470
800
#284E57
900
#203A40
950
#142529

Contrast Checker

Text on white

11.76:1

AA Pass AAA Pass

Text on black

1.79:1

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