#180A2D

#180A2D

Color Values

HEX

#180A2D

RGB

24, 10, 45

HSL

264.0, 63.6%, 10.8%

HSV

264.0, 77.8%, 17.6%

CMYK

46.7%, 77.8%, 0.0%, 82.4%

OKLCH

0.1892 0.0673 298.1

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#180A2D

#1F2D0A

Analogous

#0A0E2D

#2A0A2D

#180A2D

Triadic

#180A2D

#2D180A

#0A2D18

Split Complementary

#180A2D

#2D2A0A

#0E2D0A

Tetradic

#180A2D

#2D0A0E

#1F2D0A

#0A2D2A

Color Blindness Simulation

Original

#180A2D

Protanopia

#121225

Deuteranopia

#131422

Tritanopia

#171E1C

Achromatopsia

#101010

CSS Usage

background-color: #180A2D;
color: #180A2D;
border-color: #180A2D;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F3FB
100
#EBE4F7
200
#D7C5F2
300
#BA9BE9
400
#9565DD
500
#6F2ED1
600
#5925A7
700
#471E85
800
#381768
900
#2B154C
950
#1B0D30

Contrast Checker

Text on white

18.75:1

AA Pass AAA Pass

Text on black

1.12:1

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