#1C286B

#1C286B

Color Values

HEX

#1C286B

RGB

28, 40, 107

HSL

230.9, 58.5%, 26.5%

HSV

230.9, 73.8%, 42.0%

CMYK

73.8%, 62.6%, 0.0%, 58.0%

OKLCH

0.3124 0.1171 270.4

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#1C286B

#6B5F1C

Analogous

#1C506B

#381C6B

#1C286B

Triadic

#1C286B

#6B1C28

#286B1C

Split Complementary

#1C286B

#6B381C

#506B1C

Tetradic

#1C286B

#6B1C50

#6B5F1C

#1C6B38

Color Blindness Simulation

Original

#1C286B

Protanopia

#21215B

Deuteranopia

#202057

Tritanopia

#1D4E4B

Achromatopsia

#2A2A2A

CSS Usage

background-color: #1C286B;
color: #1C286B;
border-color: #1C286B;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F4F5FB
100
#E4E7F6
200
#C6CDF0
300
#9EA9E6
400
#697AD8
500
#354CCA
600
#2A3CA2
700
#223081
800
#1A2665
900
#171F4A
950
#0E132F

Contrast Checker

Text on white

13.42:1

AA Pass AAA Pass

Text on black

1.57:1

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