#11041F

#11041F

Color Values

HEX

#11041F

RGB

17, 4, 31

HSL

268.9, 77.1%, 6.9%

HSV

268.9, 87.1%, 12.2%

CMYK

45.2%, 87.1%, 0.0%, 87.8%

OKLCH

0.1519 0.0581 303.6

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#11041F

#121F04

Analogous

#04051F

#1F041F

#11041F

Triadic

#11041F

#1F1104

#041F11

Split Complementary

#11041F

#1F1F04

#051F04

Tetradic

#11041F

#1F0405

#121F04

#041F1F

Color Blindness Simulation

Original

#11041F

Protanopia

#0B0B18

Deuteranopia

#0C0D17

Tritanopia

#101312

Achromatopsia

#090909

CSS Usage

background-color: #11041F;
color: #11041F;
border-color: #11041F;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F7F2FC
100
#EDE1F9
200
#DAC0F7
300
#C093F1
400
#9E58E9
500
#7C1DE2
600
#6317B5
700
#4F1391
800
#3E0F71
900
#2F0F52
950
#1E0934

Contrast Checker

Text on white

19.79:1

AA Pass AAA Pass

Text on black

1.06:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026