#1B4078

#1B4078

Color Values

HEX

#1B4078

RGB

27, 64, 120

HSL

216.1, 63.3%, 28.8%

HSV

216.1, 77.5%, 47.1%

CMYK

77.5%, 46.7%, 0.0%, 52.9%

OKLCH

0.377 0.1047 258.7

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#1B4078

#78531B

Analogous

#1B6E78

#241B78

#1B4078

Triadic

#1B4078

#781B40

#40781B

Split Complementary

#1B4078

#78241B

#6E781B

Tetradic

#1B4078

#781B6E

#78531B

#1B7824

Color Blindness Simulation

Original

#1B4078

Protanopia

#2B2B6A

Deuteranopia

#292667

Tritanopia

#1D605D

Achromatopsia

#3C3C3C

CSS Usage

background-color: #1B4078;
color: #1B4078;
border-color: #1B4078;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F3F7FB
100
#E4EBF7
200
#C5D7F2
300
#9BBAE9
400
#6595DC
500
#2F6FD0
600
#2559A7
700
#1E4785
800
#173868
900
#152B4C
950
#0D1B30

Contrast Checker

Text on white

10.24:1

AA Pass AAA Pass

Text on black

2.05:1

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