#1F1FC4

#1F1FC4

Color Values

HEX

#1F1FC4

RGB

31, 31, 196

HSL

240.0, 72.7%, 44.5%

HSV

240.0, 84.2%, 76.9%

CMYK

84.2%, 84.2%, 0.0%, 23.1%

OKLCH

0.3993 0.2376 268.7

Properties

Cool Dark Nearest: mediumblue

Color Harmonies

Complementary

#1F1FC4

#C4C41F

Analogous

#1F71C4

#711FC4

#1F1FC4

Triadic

#1F1FC4

#C41F1F

#1FC41F

Split Complementary

#1F1FC4

#C4711F

#71C41F

Tetradic

#1F1FC4

#C41F71

#C4C41F

#1FC471

Color Blindness Simulation

Original

#1F1FC4

Protanopia

#1F1F9C

Deuteranopia

#1F1F92

Tritanopia

#1F7D76

Achromatopsia

#2B2B2B

CSS Usage

background-color: #1F1FC4;
color: #1F1FC4;
border-color: #1F1FC4;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FC
100
#E2E2F8
200
#C1C1F5
300
#9595EE
400
#5C5CE5
500
#2323DC
600
#1C1CB0
700
#16168D
800
#11116E
900
#111150
950
#0B0B33

Contrast Checker

Text on white

10.24:1

AA Pass AAA Pass

Text on black

2.05:1

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