#1C3753

#1C3753

Color Values

HEX

#1C3753

RGB

28, 55, 83

HSL

210.5, 49.5%, 21.8%

HSV

210.5, 66.3%, 32.5%

CMYK

66.3%, 33.7%, 0.0%, 67.5%

OKLCH

0.3298 0.06 250.9

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#1C3753

#53381C

Analogous

#1C5353

#1D1C53

#1C3753

Triadic

#1C3753

#531C37

#37531C

Split Complementary

#1C3753

#531D1C

#53531C

Tetradic

#1C3753

#531C53

#53381C

#1C531D

Color Blindness Simulation

Original

#1C3753

Protanopia

#28284C

Deuteranopia

#26244B

Tritanopia

#1D4746

Achromatopsia

#333333

CSS Usage

background-color: #1C3753;
color: #1C3753;
border-color: #1C3753;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#CADBED
300
#A4C1E0
400
#72A0CF
500
#407EBF
600
#346598
700
#29517A
800
#203F5F
900
#1B3046
950
#111E2C

Contrast Checker

Text on white

12.2:1

AA Pass AAA Pass

Text on black

1.72:1

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