#1D204D

#1D204D

Color Values

HEX

#1D204D

RGB

29, 32, 77

HSL

236.2, 45.3%, 20.8%

HSV

236.2, 62.3%, 30.2%

CMYK

62.3%, 58.4%, 0.0%, 69.8%

OKLCH

0.2691 0.0817 276.5

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#1D204D

#4D4A1D

Analogous

#1D384D

#321D4D

#1D204D

Triadic

#1D204D

#4D1D20

#204D1D

Split Complementary

#1D204D

#4D321D

#384D1D

Tetradic

#1D204D

#4D1D38

#4D4A1D

#1D4D32

Color Blindness Simulation

Original

#1D204D

Protanopia

#1E1E42

Deuteranopia

#1E1E40

Tritanopia

#1D3A38

Achromatopsia

#232323

CSS Usage

background-color: #1D204D;
color: #1D204D;
border-color: #1D204D;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CBCDEB
300
#A6AADE
400
#767BCB
500
#464DB9
600
#383E94
700
#2D3177
800
#23275D
900
#1D1F44
950
#12142B

Contrast Checker

Text on white

15.37:1

AA Pass AAA Pass

Text on black

1.37:1

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