#180B34

#180B34

Color Values

HEX

#180B34

RGB

24, 11, 52

HSL

259.0, 65.1%, 12.4%

HSV

259.0, 78.8%, 20.4%

CMYK

53.8%, 78.8%, 0.0%, 79.6%

OKLCH

0.1978 0.0762 292.6

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#180B34

#27340B

Analogous

#0B1334

#2D0B34

#180B34

Triadic

#180B34

#34180B

#0B3418

Split Complementary

#180B34

#342D0B

#13340B

Tetradic

#180B34

#340B13

#27340B

#0B342D

Color Blindness Simulation

Original

#180B34

Protanopia

#12122A

Deuteranopia

#131428

Tritanopia

#172221

Achromatopsia

#111111

CSS Usage

background-color: #180B34;
color: #180B34;
border-color: #180B34;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F6F3FC
100
#EAE3F7
200
#D3C4F3
300
#B39AEA
400
#8A63DE
500
#612CD3
600
#4E24A8
700
#3E1C87
800
#311669
900
#26144D
950
#180D31

Contrast Checker

Text on white

18.48:1

AA Pass AAA Pass

Text on black

1.14:1

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