#1F5C9B

#1F5C9B

Color Values

HEX

#1F5C9B

RGB

31, 92, 155

HSL

210.5, 66.7%, 36.5%

HSV

210.5, 80.0%, 60.8%

CMYK

80.0%, 40.6%, 0.0%, 39.2%

OKLCH

0.4695 0.1193 252.5

Properties

Cool Dark Nearest: dodgerblue 4

Color Harmonies

Complementary

#1F5C9B

#9B5E1F

Analogous

#1F9A9B

#201F9B

#1F5C9B

Triadic

#1F5C9B

#9B1F5C

#5C9B1F

Split Complementary

#1F5C9B

#9B201F

#9A9B1F

Tetradic

#1F5C9B

#9B1F9A

#9B5E1F

#1F9B20

Color Blindness Simulation

Original

#1F5C9B

Protanopia

#393A8C

Deuteranopia

#363188

Tritanopia

#22807D

Achromatopsia

#545454

CSS Usage

background-color: #1F5C9B;
color: #1F5C9B;
border-color: #1F5C9B;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F3F7FC
100
#E3EDF7
200
#C3DBF3
300
#99C1EB
400
#62A0E0
500
#2A7ED5
600
#2265AA
700
#1B5188
800
#153F6A
900
#13304E
950
#0C1E31

Contrast Checker

Text on white

6.86:1

AA Pass AAA Fail

Text on black

3.06:1

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