#1D143F

#1D143F

Color Values

HEX

#1D143F

RGB

29, 20, 63

HSL

252.6, 51.8%, 16.3%

HSV

252.6, 68.3%, 24.7%

CMYK

54.0%, 68.3%, 0.0%, 75.3%

OKLCH

0.2312 0.0784 288.3

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#1D143F

#363F14

Analogous

#14213F

#33143F

#1D143F

Triadic

#1D143F

#3F1D14

#143F1D

Split Complementary

#1D143F

#3F3314

#213F14

Tetradic

#1D143F

#3F1421

#363F14

#143F33

Color Blindness Simulation

Original

#1D143F

Protanopia

#191935

Deuteranopia

#1A1A32

Tritanopia

#1D2C2B

Achromatopsia

#191919

CSS Usage

background-color: #1D143F;
color: #1D143F;
border-color: #1D143F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F4FB
100
#E9E5F5
200
#D1C9EE
300
#AFA2E2
400
#8470D2
500
#593DC2
600
#47319B
700
#39277C
800
#2D1F61
900
#231A47
950
#16102D

Contrast Checker

Text on white

17.16:1

AA Pass AAA Pass

Text on black

1.22:1

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