#1B4966

#1B4966

Color Values

HEX

#1B4966

RGB

27, 73, 102

HSL

203.2, 58.1%, 25.3%

HSV

203.2, 73.5%, 40.0%

CMYK

73.5%, 28.4%, 0.0%, 60.0%

OKLCH

0.3881 0.07 239.9

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#1B4966

#66381B

Analogous

#1B665E

#1B2466

#1B4966

Triadic

#1B4966

#661B49

#49661B

Split Complementary

#1B4966

#661B24

#665E1B

Tetradic

#1B4966

#5E1B66

#66381B

#24661B

Color Blindness Simulation

Original

#1B4966

Protanopia

#2F2F5F

Deuteranopia

#2C295D

Tritanopia

#1D5958

Achromatopsia

#414141

CSS Usage

background-color: #1B4966;
color: #1B4966;
border-color: #1B4966;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F8FB
100
#E4EFF6
200
#C7E0F0
300
#9ECAE5
400
#6AADD7
500
#3590CA
600
#2B73A1
700
#225C81
800
#1B4865
900
#17364A
950
#0F222F

Contrast Checker

Text on white

9.58:1

AA Pass AAA Pass

Text on black

2.19:1

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