#2D5579

#2D5579

Color Values

HEX

#2D5579

RGB

45, 85, 121

HSL

208.4, 45.8%, 32.5%

HSV

208.4, 62.8%, 47.5%

CMYK

62.8%, 29.8%, 0.0%, 52.5%

OKLCH

0.4372 0.0751 247.6

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#2D5579

#79512D

Analogous

#2D7977

#2D2F79

#2D5579

Triadic

#2D5579

#792D55

#55792D

Split Complementary

#2D5579

#792D2F

#79772D

Tetradic

#2D5579

#772D79

#79512D

#2F792D

Color Blindness Simulation

Original

#2D5579

Protanopia

#3E3F70

Deuteranopia

#3C396E

Tritanopia

#2F6968

Achromatopsia

#4F4F4F

CSS Usage

background-color: #2D5579;
color: #2D5579;
border-color: #2D5579;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F8FA
100
#E6EEF4
200
#CBDCEC
300
#A6C3DE
400
#75A3CC
500
#4583BA
600
#376895
700
#2C5477
800
#23415D
900
#1C3244
950
#121F2B

Contrast Checker

Text on white

7.82:1

AA Pass AAA Pass

Text on black

2.69:1

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