#123C40

#123C40

Color Values

HEX

#123C40

RGB

18, 60, 64

HSL

185.2, 56.1%, 16.1%

HSV

185.2, 71.9%, 25.1%

CMYK

71.9%, 6.2%, 0.0%, 74.9%

OKLCH

0.3292 0.046 204.0

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#123C40

#401612

Analogous

#12402D

#122540

#123C40

Triadic

#123C40

#40123C

#3C4012

Split Complementary

#123C40

#401225

#402D12

Tetradic

#123C40

#2D1240

#401612

#254012

Color Blindness Simulation

Original

#123C40

Protanopia

#24253F

Deuteranopia

#221F3F

Tritanopia

#143E3E

Achromatopsia

#333333

CSS Usage

background-color: #123C40;
color: #123C40;
border-color: #123C40;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F4FAFB
100
#E5F4F6
200
#C7ECEF
300
#9FDEE4
400
#6CCCD6
500
#38BBC7
600
#2D959F
700
#24777F
800
#1C5D64
900
#184549
950
#0F2B2E

Contrast Checker

Text on white

12.03:1

AA Pass AAA Pass

Text on black

1.75:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026