#25273F

#25273F

Color Values

HEX

#25273F

RGB

37, 39, 63

HSL

235.4, 26.0%, 19.6%

HSV

235.4, 41.3%, 24.7%

CMYK

41.3%, 38.1%, 0.0%, 75.3%

OKLCH

0.2827 0.0441 279.5

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#25273F

#3F3D25

Analogous

#25343F

#30253F

#25273F

Triadic

#25273F

#3F2527

#273F25

Split Complementary

#25273F

#3F3025

#343F25

Tetradic

#25273F

#3F2534

#3F3D25

#253F30

Color Blindness Simulation

Original

#25273F

Protanopia

#262639

Deuteranopia

#262638

Tritanopia

#253534

Achromatopsia

#282828

CSS Usage

background-color: #25273F;
color: #25273F;
border-color: #25273F;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F6F6F9
100
#E9EAF1
200
#D2D3E5
300
#B2B4D2
400
#888CB9
500
#5E63A1
600
#4B5081
700
#3C4067
800
#2F3250
900
#25273C
950
#171926

Contrast Checker

Text on white

14.58:1

AA Pass AAA Pass

Text on black

1.44:1

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