#030507

#030507

Color Values

HEX

#030507

RGB

3, 5, 7

HSL

210.0, 40.0%, 2.0%

HSV

210.0, 57.1%, 2.7%

CMYK

57.1%, 28.6%, 0.0%, 97.3%

OKLCH

0.1124 0.0087 242.2

Properties

Cool Dark Nearest: black

Color Harmonies

Complementary

#030507

#070503

Analogous

#030707

#030307

#030507

Triadic

#030507

#070305

#050703

Split Complementary

#030507

#070303

#070703

Tetradic

#030507

#070307

#070503

#030703

Color Blindness Simulation

Original

#030507

Protanopia

#040407

Deuteranopia

#040406

Tritanopia

#030606

Achromatopsia

#050505

CSS Usage

background-color: #030507;
color: #030507;
border-color: #030507;
Nearest Tailwind: Zinc 950 #09090B

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CDDBEA
300
#A9C2DA
400
#7BA1C6
500
#4C80B2
600
#3D668F
700
#315272
800
#264059
900
#1F3042
950
#141F2A

Contrast Checker

Text on white

20.42:1

AA Pass AAA Pass

Text on black

1.03:1

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