#1F4148

#1F4148

Color Values

HEX

#1F4148

RGB

31, 65, 72

HSL

190.2, 39.8%, 20.2%

HSV

190.2, 56.9%, 28.2%

CMYK

56.9%, 9.7%, 0.0%, 71.8%

OKLCH

0.3528 0.0413 212.6

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#1F4148

#48261F

Analogous

#1F483A

#1F2D48

#1F4148

Triadic

#1F4148

#481F41

#41481F

Split Complementary

#1F4148

#481F2D

#483A1F

Tetradic

#1F4148

#3A1F48

#48261F

#2D481F

Color Blindness Simulation

Original

#1F4148

Protanopia

#2E2E46

Deuteranopia

#2C2946

Tritanopia

#214545

Achromatopsia

#3A3A3A

CSS Usage

background-color: #1F4148;
color: #1F4148;
border-color: #1F4148;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F5F9FA
100
#E7F1F3
200
#CDE5EA
300
#A9D2DA
400
#7BB9C6
500
#4DA1B2
600
#3D818F
700
#316772
800
#265059
900
#1F3C42
950
#14262A

Contrast Checker

Text on white

11.01:1

AA Pass AAA Pass

Text on black

1.91:1

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