#1B4F84

#1B4F84

Color Values

HEX

#1B4F84

RGB

27, 79, 132

HSL

210.3, 66.0%, 31.2%

HSV

210.3, 79.5%, 51.8%

CMYK

79.5%, 40.2%, 0.0%, 48.2%

OKLCH

0.4218 0.1038 252.1

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#1B4F84

#84501B

Analogous

#1B8484

#1C1B84

#1B4F84

Triadic

#1B4F84

#841B4F

#4F841B

Split Complementary

#1B4F84

#841C1B

#84841B

Tetradic

#1B4F84

#841B84

#84501B

#1B841C

Color Blindness Simulation

Original

#1B4F84

Protanopia

#323277

Deuteranopia

#2E2B74

Tritanopia

#1E6D6B

Achromatopsia

#484848

CSS Usage

background-color: #1B4F84;
color: #1B4F84;
border-color: #1B4F84;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F3F7FC
100
#E3EDF7
200
#C4DBF3
300
#99C1EA
400
#62A0DF
500
#2B7FD4
600
#2365A9
700
#1C5187
800
#163F6A
900
#14304D
950
#0C1E31

Contrast Checker

Text on white

8.41:1

AA Pass AAA Pass

Text on black

2.5:1

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