#3F644A

#3F644A

Color Values

HEX

#3F644A

RGB

63, 100, 74

HSL

137.8, 22.7%, 32.0%

HSV

137.8, 37.0%, 39.2%

CMYK

37.0%, 0.0%, 26.0%, 60.8%

OKLCH

0.4673 0.0599 153.0

Properties

Cool Dark Nearest: RAL 6000 Patina Green

Color Harmonies

Complementary

#3F644A

#643F59

Analogous

#47643F

#3F645D

#3F644A

Triadic

#3F644A

#4A3F64

#644A3F

Split Complementary

#3F644A

#5D3F64

#643F47

Tetradic

#3F644A

#3F4764

#643F59

#645D3F

Color Blindness Simulation

Original

#3F644A

Protanopia

#4F4F50

Deuteranopia

#4D4A52

Tritanopia

#415556

Achromatopsia

#5A5A5A

CSS Usage

background-color: #3F644A;
color: #3F644A;
border-color: #3F644A;
Nearest Tailwind: Emerald 800 #065F46

Tailwind Shades

50
#F6F9F7
100
#EAF1EC
200
#D3E3D8
300
#B4D0BC
400
#8BB698
500
#639C74
600
#4F7D5D
700
#3F644A
800
#314E3A
900
#273A2C
950
#18251C

Contrast Checker

Text on white

6.7:1

AA Pass AAA Fail

Text on black

3.13:1

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