#1D033A

#1D033A

Color Values

HEX

#1D033A

RGB

29, 3, 58

HSL

268.4, 90.2%, 12.0%

HSV

268.4, 94.8%, 22.7%

CMYK

50.0%, 94.8%, 0.0%, 77.3%

OKLCH

0.1975 0.0975 298.8

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#1D033A

#203A03

Analogous

#03043A

#39033A

#1D033A

Triadic

#1D033A

#3A1D03

#033A1D

Split Complementary

#1D033A

#3A3903

#043A03

Tetradic

#1D033A

#3A0304

#203A03

#033A39

Color Blindness Simulation

Original

#1D033A

Protanopia

#12122D

Deuteranopia

#131529

Tritanopia

#1C2220

Achromatopsia

#0C0C0C

CSS Usage

background-color: #1D033A;
color: #1D033A;
border-color: #1D033A;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F1FD
100
#ECDFFB
200
#DABBFC
300
#BF8BF9
400
#9C4CF6
500
#790CF3
600
#610AC2
700
#4E089B
800
#3D0679
900
#2E0958
950
#1D0637

Contrast Checker

Text on white

18.64:1

AA Pass AAA Pass

Text on black

1.13:1

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