#1B666B

#1B666B

Color Values

HEX

#1B666B

RGB

27, 102, 107

HSL

183.8, 59.7%, 26.3%

HSV

183.8, 74.8%, 42.0%

CMYK

74.8%, 4.7%, 0.0%, 58.0%

OKLCH

0.4684 0.0706 201.6

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#1B666B

#6B201B

Analogous

#1B6B48

#1B3E6B

#1B666B

Triadic

#1B666B

#6B1B66

#666B1B

Split Complementary

#1B666B

#6B1B3E

#6B481B

Tetradic

#1B666B

#481B6B

#6B201B

#3E6B1B

Color Blindness Simulation

Original

#1B666B

Protanopia

#3B3C6A

Deuteranopia

#373269

Tritanopia

#1F6969

Achromatopsia

#565656

CSS Usage

background-color: #1B666B;
color: #1B666B;
border-color: #1B666B;
Nearest Tailwind: Teal 800 #115E59

Tailwind Shades

50
#F3FBFB
100
#E4F5F6
200
#C6EEF1
300
#9DE2E6
400
#68D2D9
500
#33C2CC
600
#299BA3
700
#217C82
800
#1A6166
900
#16474A
950
#0E2D2F

Contrast Checker

Text on white

6.65:1

AA Pass AAA Fail

Text on black

3.16:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026