#180F1B

#180F1B

Color Values

HEX

#180F1B

RGB

24, 15, 27

HSL

285.0, 28.6%, 8.2%

HSV

285.0, 44.4%, 10.6%

CMYK

11.1%, 44.4%, 0.0%, 89.4%

OKLCH

0.1863 0.0275 317.5

Properties

Cool Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#180F1B

#121B0F

Analogous

#120F1B

#1B0F18

#180F1B

Triadic

#180F1B

#1B180F

#0F1B18

Split Complementary

#180F1B

#181B0F

#0F1B12

Tetradic

#180F1B

#1B120F

#121B0F

#0F181B

Color Blindness Simulation

Original

#180F1B

Protanopia

#141418

Deuteranopia

#151517

Tritanopia

#181615

Achromatopsia

#121212

CSS Usage

background-color: #180F1B;
color: #180F1B;
border-color: #180F1B;
Nearest Tailwind: Slate 950 #020617

Tailwind Shades

50
#F8F5F9
100
#EFE9F1
200
#E0D1E6
300
#CBB0D3
400
#AE86BC
500
#925BA4
600
#754983
700
#5D3A69
800
#492E52
900
#37243D
950
#231726

Contrast Checker

Text on white

18.7:1

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