#045057

#045057

Color Values

HEX

#045057

RGB

4, 80, 87

HSL

185.1, 91.2%, 17.8%

HSV

185.1, 95.4%, 34.1%

CMYK

95.4%, 8.0%, 0.0%, 65.9%

OKLCH

0.3942 0.0659 205.2

Properties

Cool Dark Nearest: RAL 5009 Azure Blue

Color Harmonies

Complementary

#045057

#570B04

Analogous

#045734

#042657

#045057

Triadic

#045057

#570450

#505704

Split Complementary

#045057

#570426

#573404

Tetradic

#045057

#340457

#570B04

#265704

Color Blindness Simulation

Original

#045057

Protanopia

#252655

Deuteranopia

#201B55

Tritanopia

#085454

Achromatopsia

#404040

CSS Usage

background-color: #045057;
color: #045057;
border-color: #045057;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F1FCFD
100
#DFF9FB
200
#BBF6FC
300
#8AF0FA
400
#4BE8F7
500
#0BE0F4
600
#09B3C3
700
#078F9C
800
#06707A
900
#095158
950
#053338

Contrast Checker

Text on white

9.17:1

AA Pass AAA Pass

Text on black

2.29:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026