#1F4850

#1F4850

Color Values

HEX

#1F4850

RGB

31, 72, 80

HSL

189.8, 44.1%, 21.8%

HSV

189.8, 61.2%, 31.4%

CMYK

61.2%, 10.0%, 0.0%, 68.6%

OKLCH

0.3759 0.0476 212.1

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#1F4850

#50271F

Analogous

#1F5040

#1F3050

#1F4850

Triadic

#1F4850

#501F48

#48501F

Split Complementary

#1F4850

#501F30

#50401F

Tetradic

#1F4850

#401F50

#50271F

#30501F

Color Blindness Simulation

Original

#1F4850

Protanopia

#31314E

Deuteranopia

#2E2B4E

Tritanopia

#214D4C

Achromatopsia

#404040

CSS Usage

background-color: #1F4850;
color: #1F4850;
border-color: #1F4850;
Nearest Tailwind: Cyan 900 #164E63

Tailwind Shades

50
#F4F9FA
100
#E6F2F4
200
#CCE6EB
300
#A7D4DD
400
#77BDCA
500
#47A5B8
600
#398493
700
#2E6A76
800
#24535C
900
#1D3D44
950
#12272B

Contrast Checker

Text on white

10.0:1

AA Pass AAA Pass

Text on black

2.1:1

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