#1F72C8

#1F72C8

Color Values

HEX

#1F72C8

RGB

31, 114, 200

HSL

210.5, 73.2%, 45.3%

HSV

210.5, 84.5%, 78.4%

CMYK

84.5%, 43.0%, 0.0%, 21.6%

OKLCH

0.55 0.1538 253.4

Properties

Cool Dark Nearest: dodgerblue 3

Color Harmonies

Complementary

#1F72C8

#C8751F

Analogous

#1FC7C8

#201FC8

#1F72C8

Triadic

#1F72C8

#C81F72

#72C81F

Split Complementary

#1F72C8

#C8201F

#C7C81F

Tetradic

#1F72C8

#C81FC7

#C8751F

#1FC820

Color Blindness Simulation

Original

#1F72C8

Protanopia

#4344B3

Deuteranopia

#3E38AE

Tritanopia

#23A39F

Achromatopsia

#676767

CSS Usage

background-color: #1F72C8;
color: #1F72C8;
border-color: #1F72C8;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E2EDF8
200
#C1DBF5
300
#95C1EF
400
#5C9FE6
500
#227EDD
600
#1B65B1
700
#16518D
800
#113F6E
900
#113050
950
#0A1E33

Contrast Checker

Text on white

4.88:1

AA Pass AAA Fail

Text on black

4.3:1

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