#252B30

#252B30

Color Values

HEX

#252B30

RGB

37, 43, 48

HSL

207.3, 12.9%, 16.7%

HSV

207.3, 22.9%, 18.8%

CMYK

22.9%, 10.4%, 0.0%, 81.2%

OKLCH

0.2853 0.0125 243.3

Properties

Cool Dark Nearest: RAL 7021 Black Grey

Color Harmonies

Complementary

#252B30

#302A25

Analogous

#253030

#252630

#252B30

Triadic

#252B30

#30252B

#2B3025

Split Complementary

#252B30

#302526

#303025

Tetradic

#252B30

#302530

#302A25

#263025

Color Blindness Simulation

Original

#252B30

Protanopia

#28282F

Deuteranopia

#27272E

Tritanopia

#252E2E

Achromatopsia

#2A2A2A

CSS Usage

background-color: #252B30;
color: #252B30;
border-color: #252B30;
Nearest Tailwind: Zinc 800 #27272A

Tailwind Shades

50
#F7F7F8
100
#EBEDEF
200
#D7DCE0
300
#BAC3CA
400
#94A2AD
500
#6F8190
600
#596773
700
#47535C
800
#384048
900
#2B3136
950
#1B1F22

Contrast Checker

Text on white

14.32:1

AA Pass AAA Pass

Text on black

1.47:1

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