#1F581C

#1F581C

Color Values

HEX

#1F581C

RGB

31, 88, 28

HSL

117.0, 51.7%, 22.7%

HSV

117.0, 68.2%, 34.5%

CMYK

64.8%, 0.0%, 68.2%, 65.5%

OKLCH

0.4084 0.1092 142.5

Properties

Cool Dark Nearest: NCS S 3060-G Dark Green

Color Harmonies

Complementary

#1F581C

#551C58

Analogous

#3D581C

#1C5837

#1F581C

Triadic

#1F581C

#1C1F58

#581C1F

Split Complementary

#1F581C

#371C58

#581C3D

Tetradic

#1F581C

#1C3D58

#551C58

#58371C

Color Blindness Simulation

Original

#1F581C

Protanopia

#38382B

Deuteranopia

#34302E

Tritanopia

#223638

Achromatopsia

#484848

CSS Usage

background-color: #1F581C;
color: #1F581C;
border-color: #1F581C;
Nearest Tailwind: Green 800 #166534

Tailwind Shades

50
#F4FBF4
100
#E6F5E5
200
#CBEEC9
300
#A5E1A2
400
#75D170
500
#44C13E
600
#379B31
700
#2C7C27
800
#22611F
900
#1C471A
950
#122D10

Contrast Checker

Text on white

8.5:1

AA Pass AAA Pass

Text on black

2.47:1

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