#1D1981

#1D1981

Color Values

HEX

#1D1981

RGB

29, 25, 129

HSL

242.3, 67.5%, 30.2%

HSV

242.3, 80.6%, 50.6%

CMYK

77.5%, 80.6%, 0.0%, 49.4%

OKLCH

0.3105 0.1645 272.9

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#1D1981

#7D8119

Analogous

#194981

#511981

#1D1981

Triadic

#1D1981

#811D19

#19811D

Split Complementary

#1D1981

#815119

#498119

Tetradic

#1D1981

#811949

#7D8119

#198151

Color Blindness Simulation

Original

#1D1981

Protanopia

#1B1B68

Deuteranopia

#1C1C62

Tritanopia

#1D5450

Achromatopsia

#212121

CSS Usage

background-color: #1D1981;
color: #1D1981;
border-color: #1D1981;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F3F3FC
100
#E4E3F7
200
#C5C3F3
300
#9C98EB
400
#6661E0
500
#3029D6
600
#2621AB
700
#1F1B89
800
#18156B
900
#15134E
950
#0D0C31

Contrast Checker

Text on white

13.92:1

AA Pass AAA Pass

Text on black

1.51:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026