#2B5B63

#2B5B63

Color Values

HEX

#2B5B63

RGB

43, 91, 99

HSL

188.6, 39.4%, 27.8%

HSV

188.6, 56.6%, 38.8%

CMYK

56.6%, 8.1%, 0.0%, 61.2%

OKLCH

0.4411 0.0535 209.7

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#2B5B63

#63332B

Analogous

#2B634F

#2B3F63

#2B5B63

Triadic

#2B5B63

#632B5B

#5B632B

Split Complementary

#2B5B63

#632B3F

#634F2B

Tetradic

#2B5B63

#4F2B63

#63332B

#3F632B

Color Blindness Simulation

Original

#2B5B63

Protanopia

#404061

Deuteranopia

#3D3961

Tritanopia

#2D605F

Achromatopsia

#515151

CSS Usage

background-color: #2B5B63;
color: #2B5B63;
border-color: #2B5B63;
Nearest Tailwind: Cyan 800 #155E75

Tailwind Shades

50
#F5F9FA
100
#E7F1F3
200
#CDE5E9
300
#AAD3DA
400
#7BBBC6
500
#4DA3B2
600
#3E838E
700
#316972
800
#275259
900
#1F3D42
950
#142629

Contrast Checker

Text on white

7.56:1

AA Pass AAA Pass

Text on black

2.78:1

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