#1F1C89

#1F1C89

Color Values

HEX

#1F1C89

RGB

31, 28, 137

HSL

241.7, 66.1%, 32.4%

HSV

241.7, 79.6%, 53.7%

CMYK

77.4%, 79.6%, 0.0%, 46.3%

OKLCH

0.3252 0.1711 272.7

Properties

Cool Dark Nearest: navy

Color Harmonies

Complementary

#1F1C89

#86891C

Analogous

#1C5089

#561C89

#1F1C89

Triadic

#1F1C89

#891F1C

#1C891F

Split Complementary

#1F1C89

#89561C

#50891C

Tetradic

#1F1C89

#891C50

#86891C

#1C8956

Color Blindness Simulation

Original

#1F1C89

Protanopia

#1E1E6F

Deuteranopia

#1E1E68

Tritanopia

#1F5A55

Achromatopsia

#252525

CSS Usage

background-color: #1F1C89;
color: #1F1C89;
border-color: #1F1C89;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F3F3FC
100
#E4E3F7
200
#C5C4F3
300
#9C99EA
400
#6662DF
500
#302BD4
600
#2623A9
700
#1F1C88
800
#18166A
900
#15144D
950
#0D0C31

Contrast Checker

Text on white

13.24:1

AA Pass AAA Pass

Text on black

1.59:1

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