#1F1DB6

#1F1DB6

Color Values

HEX

#1F1DB6

RGB

31, 29, 182

HSL

240.8, 72.5%, 41.4%

HSV

240.8, 84.1%, 71.4%

CMYK

83.0%, 84.1%, 0.0%, 28.6%

OKLCH

0.3802 0.2234 269.4

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#1F1DB6

#B4B61D

Analogous

#1D68B6

#6C1DB6

#1F1DB6

Triadic

#1F1DB6

#B61F1D

#1DB61F

Split Complementary

#1F1DB6

#B66C1D

#68B61D

Tetradic

#1F1DB6

#B61D68

#B4B61D

#1DB66C

Color Blindness Simulation

Original

#1F1DB6

Protanopia

#1E1E91

Deuteranopia

#1E1E88

Tritanopia

#1F746D

Achromatopsia

#282828

CSS Usage

background-color: #1F1DB6;
color: #1F1DB6;
border-color: #1F1DB6;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FC
100
#E2E2F8
200
#C2C1F5
300
#9795EE
400
#5E5CE5
500
#2623DC
600
#1E1CB0
700
#18168D
800
#13126E
900
#121150
950
#0B0B33

Contrast Checker

Text on white

11.0:1

AA Pass AAA Pass

Text on black

1.91:1

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