#1F4F52

#1F4F52

Color Values

HEX

#1F4F52

RGB

31, 79, 82

HSL

183.5, 45.1%, 22.2%

HSV

183.5, 62.2%, 32.2%

CMYK

62.2%, 3.7%, 0.0%, 67.8%

OKLCH

0.3962 0.0517 200.9

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#1F4F52

#52221F

Analogous

#1F523C

#1F3652

#1F4F52

Triadic

#1F4F52

#521F4F

#4F521F

Split Complementary

#1F4F52

#521F36

#523C1F

Tetradic

#1F4F52

#3C1F52

#52221F

#36521F

Color Blindness Simulation

Original

#1F4F52

Protanopia

#343451

Deuteranopia

#312D51

Tritanopia

#215151

Achromatopsia

#454545

CSS Usage

background-color: #1F4F52;
color: #1F4F52;
border-color: #1F4F52;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F4FAFA
100
#E6F3F4
200
#CBEAEB
300
#A6DADD
400
#76C6CB
500
#46B2B9
600
#388F94
700
#2D7276
800
#23595D
900
#1D4244
950
#122A2B

Contrast Checker

Text on white

9.14:1

AA Pass AAA Pass

Text on black

2.3:1

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