#1B73CC

#1B73CC

Color Values

HEX

#1B73CC

RGB

27, 115, 204

HSL

210.2, 76.6%, 45.3%

HSV

210.2, 86.8%, 80.0%

CMYK

86.8%, 43.6%, 0.0%, 20.0%

OKLCH

0.5541 0.1587 253.4

Properties

Cool Dark Nearest: dodgerblue 3

Color Harmonies

Complementary

#1B73CC

#CC741B

Analogous

#1BCBCC

#1C1BCC

#1B73CC

Triadic

#1B73CC

#CC1B73

#73CC1B

Split Complementary

#1B73CC

#CC1C1B

#CBCC1B

Tetradic

#1B73CC

#CC1BCB

#CC741B

#1BCC1C

Color Blindness Simulation

Original

#1B73CC

Protanopia

#4142B6

Deuteranopia

#3C35B1

Tritanopia

#1FA5A2

Achromatopsia

#676767

CSS Usage

background-color: #1B73CC;
color: #1B73CC;
border-color: #1B73CC;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F2F7FC
100
#E2EDF9
200
#C0DBF7
300
#93C1F1
400
#58A0E9
500
#1E7FE1
600
#1865B4
700
#135190
800
#0F3F71
900
#0F3052
950
#0A1E34

Contrast Checker

Text on white

4.8:1

AA Pass AAA Fail

Text on black

4.37:1

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