#25213D

#25213D

Color Values

HEX

#25213D

RGB

37, 33, 61

HSL

248.6, 29.8%, 18.4%

HSV

248.6, 45.9%, 23.9%

CMYK

39.3%, 45.9%, 0.0%, 76.1%

OKLCH

0.2668 0.0514 289.0

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#25213D

#393D21

Analogous

#212B3D

#33213D

#25213D

Triadic

#25213D

#3D2521

#213D25

Split Complementary

#25213D

#3D3321

#2B3D21

Tetradic

#25213D

#3D212B

#393D21

#213D33

Color Blindness Simulation

Original

#25213D

Protanopia

#232336

Deuteranopia

#242435

Tritanopia

#253130

Achromatopsia

#242424

CSS Usage

background-color: #25213D;
color: #25213D;
border-color: #25213D;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F6F5F9
100
#EAE9F2
200
#D4D1E6
300
#B5B0D4
400
#8D85BD
500
#645AA5
600
#504884
700
#40396A
800
#322D53
900
#27233D
950
#191627

Contrast Checker

Text on white

15.4:1

AA Pass AAA Pass

Text on black

1.36:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026