#25182F

#25182F

Color Values

HEX

#25182F

RGB

37, 24, 47

HSL

273.9, 32.4%, 13.9%

HSV

273.9, 48.9%, 18.4%

CMYK

21.3%, 48.9%, 0.0%, 81.6%

OKLCH

0.2371 0.0462 309.2

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#25182F

#222F18

Analogous

#19182F

#2F182D

#25182F

Triadic

#25182F

#2F2518

#182F25

Split Complementary

#25182F

#2D2F18

#182F19

Tetradic

#25182F

#2F1918

#222F18

#182D2F

Color Blindness Simulation

Original

#25182F

Protanopia

#1F1F29

Deuteranopia

#202128

Tritanopia

#242524

Achromatopsia

#1C1C1C

CSS Usage

background-color: #25182F;
color: #25182F;
border-color: #25182F;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F8F5F9
100
#EEE8F2
200
#DDD0E7
300
#C4AED6
400
#A582BF
500
#8556A9
600
#6A4587
700
#55376C
800
#422B54
900
#32223F
950
#201628

Contrast Checker

Text on white

16.8:1

AA Pass AAA Pass

Text on black

1.25:1

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