#665E77

#665E77

Color Values

HEX

#665E77

RGB

102, 94, 119

HSL

259.2, 11.7%, 41.8%

HSV

259.2, 21.0%, 46.7%

CMYK

14.3%, 21.0%, 0.0%, 53.3%

OKLCH

0.4987 0.0404 299.6

Properties

Cool Dark Nearest: RAL 4012 Pearl Blackberry

Color Harmonies

Complementary

#665E77

#6F775E

Analogous

#5E6377

#735E77

#665E77

Triadic

#665E77

#77665E

#5E7766

Split Complementary

#665E77

#77735E

#63775E

Tetradic

#665E77

#775E63

#6F775E

#5E7773

Color Blindness Simulation

Original

#665E77

Protanopia

#636271

Deuteranopia

#636470

Tritanopia

#666C6B

Achromatopsia

#626262

CSS Usage

background-color: #665E77;
color: #665E77;
border-color: #665E77;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F7F7F8
100
#EDEBEF
200
#DAD7DF
300
#BFBBC9
400
#9D96AC
500
#7A718E
600
#625A72
700
#4E485B
800
#3D3847
900
#2F2B36
950
#1D1B22

Contrast Checker

Text on white

6.12:1

AA Pass AAA Fail

Text on black

3.43:1

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