#1D1F4D

#1D1F4D

Color Values

HEX

#1D1F4D

RGB

29, 31, 77

HSL

237.5, 45.3%, 20.8%

HSV

237.5, 62.3%, 30.2%

CMYK

62.3%, 59.7%, 0.0%, 69.8%

OKLCH

0.2668 0.0832 277.3

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#1D1F4D

#4D4B1D

Analogous

#1D374D

#331D4D

#1D1F4D

Triadic

#1D1F4D

#4D1D1F

#1F4D1D

Split Complementary

#1D1F4D

#4D331D

#374D1D

Tetradic

#1D1F4D

#4D1D37

#4D4B1D

#1D4D33

Color Blindness Simulation

Original

#1D1F4D

Protanopia

#1E1E42

Deuteranopia

#1E1E3F

Tritanopia

#1D3937

Achromatopsia

#222222

CSS Usage

background-color: #1D1F4D;
color: #1D1F4D;
border-color: #1D1F4D;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CBCCEB
300
#A6A8DE
400
#7679CB
500
#464BB9
600
#383C94
700
#2D3077
800
#23255D
900
#1D1E44
950
#12132B

Contrast Checker

Text on white

15.49:1

AA Pass AAA Pass

Text on black

1.36:1

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