#045F6B

#045F6B

Color Values

HEX

#045F6B

RGB

4, 95, 107

HSL

187,0, 92,8%, 21,8%

HSV

187,0, 96,3%, 42,0%

CMYK

96,3%, 11,2%, 0,0%, 58,0%

OKLCH

0,4452 0,0758 209,9

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#045F6B

#6B1004

Analogous

#046B44

#042C6B

#045F6B

Triadic

#045F6B

#6B045F

#5F6B04

Split Complementary

#045F6B

#6B042C

#6B4404

Tetradic

#045F6B

#44046B

#6B1004

#2C6B04

Color Blindness Simulation

Original

#045F6B

Protanopia

#2B2C68

Deuteranopia

#261F67

Tritanopia

#096665

Achromatopsia

#4D4D4D

CSS Usage

background-color: #045F6B;
color: #045F6B;
border-color: #045F6B;
Nearest Tailwind: Cyan 800 #155E75

Tailwind Shades

50
#F1FCFD
100
#DFF8FB
200
#BAF5FC
300
#89EDFB
400
#49E4F8
500
#09DAF6
600
#07AFC5
700
#068C9D
800
#056D7B
900
#084F59
950
#053238

Contrast Checker

Text on white

7,36:1

AA Pass AAA Pass

Text on black

2,85:1

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