#25403F

#25403F

Color Values

HEX

#25403F

RGB

37, 64, 63

HSL

177.8, 26.7%, 19.8%

HSV

177.8, 42.2%, 25.1%

CMYK

42.2%, 0.0%, 1.6%, 74.9%

OKLCH

0.3496 0.033 192.7

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#25403F

#402526

Analogous

#254032

#253340

#25403F

Triadic

#25403F

#3F2540

#403F25

Split Complementary

#25403F

#402533

#403225

Tetradic

#25403F

#322540

#402526

#334025

Color Blindness Simulation

Original

#25403F

Protanopia

#31313F

Deuteranopia

#2F2D3F

Tritanopia

#263F3F

Achromatopsia

#3A3A3A

CSS Usage

background-color: #25403F;
color: #25403F;
border-color: #25403F;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F6F9F9
100
#E9F1F1
200
#D2E5E4
300
#B1D2D1
400
#87BAB8
500
#5DA29F
600
#4B817F
700
#3C6766
800
#2F5150
900
#253C3B
950
#172625

Contrast Checker

Text on white

11.15:1

AA Pass AAA Pass

Text on black

1.88:1

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