#1C4243

#1C4243

Color Values

HEX

#1C4243

RGB

28, 66, 67

HSL

181.5, 41.1%, 18.6%

HSV

181.5, 58.2%, 26.3%

CMYK

58.2%, 1.5%, 0.0%, 73.7%

OKLCH

0.352 0.0431 197.7

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#1C4243

#431D1C

Analogous

#1C4330

#1C2E43

#1C4243

Triadic

#1C4243

#431C42

#42431C

Split Complementary

#1C4243

#431C2E

#43301C

Tetradic

#1C4243

#301C43

#431D1C

#2E431C

Color Blindness Simulation

Original

#1C4243

Protanopia

#2C2D43

Deuteranopia

#2A2743

Tritanopia

#1E4343

Achromatopsia

#3A3A3A

CSS Usage

background-color: #1C4243;
color: #1C4243;
border-color: #1C4243;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F5FAFA
100
#E7F3F3
200
#CDE9EA
300
#A9DADB
400
#7AC5C7
500
#4BB1B4
600
#3C8E90
700
#307173
800
#26595A
900
#1F4142
950
#13292A

Contrast Checker

Text on white

11.0:1

AA Pass AAA Pass

Text on black

1.91:1

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