#010720

#010720

Color Values

HEX

#010720

RGB

1, 7, 32

HSL

228.4, 93.9%, 6.5%

HSV

228.4, 96.9%, 12.5%

CMYK

96.9%, 78.1%, 0.0%, 87.5%

OKLCH

0.1409 0.0561 262.9

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#010720

#201A01

Analogous

#011720

#0B0120

#010720

Triadic

#010720

#200107

#072001

Split Complementary

#010720

#200B01

#172001

Tetradic

#010720

#200117

#201A01

#01200B

Color Blindness Simulation

Original

#010720

Protanopia

#04041A

Deuteranopia

#030318

Tritanopia

#011514

Achromatopsia

#080808

CSS Usage

background-color: #010720;
color: #010720;
border-color: #010720;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F1F4FD
100
#DFE4FB
200
#BAC7FD
300
#889FFB
400
#486AF9
500
#0836F7
600
#062BC6
700
#05239E
800
#041B7C
900
#081759
950
#050F38

Contrast Checker

Text on white

19.95:1

AA Pass AAA Pass

Text on black

1.05:1

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