#25103C

#25103C

Color Values

HEX

#25103C

RGB

37, 16, 60

HSL

268,6, 57,9%, 14,9%

HSV

268,6, 73,3%, 23,5%

CMYK

38,3%, 73,3%, 0,0%, 76,5%

OKLCH

0,231 0,0815 302,4

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#25103C

#273C10

Analogous

#10113C

#3B103C

#25103C

Triadic

#25103C

#3C2510

#103C25

Split Complementary

#25103C

#3C3B10

#113C10

Tetradic

#25103C

#3C1011

#273C10

#103C3B

Color Blindness Simulation

Original

#25103C

Protanopia

#1C1C31

Deuteranopia

#1D1F2F

Tritanopia

#242927

Achromatopsia

#181818

CSS Usage

background-color: #25103C;
color: #25103C;
border-color: #25103C;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F4FB
100
#EDE4F6
200
#DAC7F0
300
#C09EE5
400
#9E6AD7
500
#7C36C9
600
#632BA1
700
#4F2281
800
#3E1B65
900
#2F174A
950
#1E0F2F

Contrast Checker

Text on white

17,24:1

AA Pass AAA Pass

Text on black

1,22:1

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