#1F508C

#1F508C

Color Values

HEX

#1F508C

RGB

31, 80, 140

HSL

213.0, 63.7%, 33.5%

HSV

213.0, 77.9%, 54.9%

CMYK

77.9%, 42.9%, 0.0%, 45.1%

OKLCH

0.4309 0.1124 255.3

Properties

Cool Dark Nearest: dodgerblue 4

Color Harmonies

Complementary

#1F508C

#8C5B1F

Analogous

#1F868C

#241F8C

#1F508C

Triadic

#1F508C

#8C1F50

#508C1F

Split Complementary

#1F508C

#8C241F

#868C1F

Tetradic

#1F508C

#8C1F86

#8C5B1F

#1F8C24

Color Blindness Simulation

Original

#1F508C

Protanopia

#34357D

Deuteranopia

#312E7A

Tritanopia

#217270

Achromatopsia

#4A4A4A

CSS Usage

background-color: #1F508C;
color: #1F508C;
border-color: #1F508C;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F3F7FB
100
#E3ECF7
200
#C5D9F2
300
#9BBEE9
400
#659BDD
500
#2E77D1
600
#2560A7
700
#1E4C86
800
#173C68
900
#152E4C
950
#0D1D30

Contrast Checker

Text on white

8.13:1

AA Pass AAA Pass

Text on black

2.58:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

ม.ค. 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

ม.ค. 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

ม.ค. 15, 2026