#30666C

#30666C

Color Values

HEX

#30666C

RGB

48, 102, 108

HSL

186.0, 38.5%, 30.6%

HSV

186.0, 55.6%, 42.4%

CMYK

55.6%, 5.6%, 0.0%, 57.6%

OKLCH

0.4761 0.0578 205.0

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#30666C

#6C3630

Analogous

#306C54

#30486C

#30666C

Triadic

#30666C

#6C3066

#666C30

Split Complementary

#30666C

#6C3048

#6C5430

Tetradic

#30666C

#54306C

#6C3630

#486C30

Color Blindness Simulation

Original

#30666C

Protanopia

#47486B

Deuteranopia

#44406A

Tritanopia

#336969

Achromatopsia

#5B5B5B

CSS Usage

background-color: #30666C;
color: #30666C;
border-color: #30666C;
Nearest Tailwind: Teal 800 #115E59

Tailwind Shades

50
#F5F9FA
100
#E7F2F3
200
#CEE6E9
300
#AAD5D9
400
#7CBEC5
500
#4EA7B1
600
#3F858D
700
#326B71
800
#275358
900
#203E41
950
#142729

Contrast Checker

Text on white

6.48:1

AA Pass AAA Fail

Text on black

3.24:1

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